| Special Bridge Conditions Legend |
| ! | Confirmed demolition date within one year or an especially historic bridge that is threatened with demolition at any level. |
| X | The bridge has been confirmed demolished or collapsed. |
| S | The bridge has been dismantled or moved to an offsite location and is not currently available for public viewing. |
| L | Most or all of the original bridge material has been demolished and replaced, including historically significant elements, but some original parts of the bridge remain. |
| Note: This website cannot guarantee the current condition of any bridge on this website. Bridges lacking these icons should not necessarily be considered condition-free. |
| Bridge Name | HSR Rating | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail |
10 Mile Road Bridge
|
 | 10 Mile Road Over Charlotte River | Rural: Chippewa County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 51.8 ft Main Span Length: 50.9 ft Roadway Width: 16.1 ft Main Spans: 1 |
1914 By: Minneapolis Bridge Company of Minneapolis, Minnesota | A rare example of a lightweight style pony truss. | 
|
120th Avenue Bridge
|
 | 120th Avenue Over Little Muskegon River | Rural: Mecosta County, Michigan | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 62 ft Main Span Length: 61 ft Roadway Width: 16 ft Main Spans: 1 |
1897 By: Unknown | This abandoned truss is in decent condition and is an early example of a truss with riveted connections. | 
|
123rd Street Bridge
Iowa Bridge Number 346360 |
 | 123rd Street Over Turkey River | Rural: Winneshiek County, Iowa | Metal 10 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 185 ft Main Span Length: 90 ft Roadway Width: 15.1 ft Main Spans: 2 |
1936 By: Unknown | A good example of a two-span riveted pony truss from the 1930s. | 
|
127th Street Bridge
|
| 127th Street Over Calumet Sag Channel | Alsip: Cook County, Illinois | Metal 12 Panel Bolt-Connected Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 610.3 ft Main Span Length: 396 ft Roadway Width: 53.2 ft Main Spans: 1 |
1968 By: Unknown and Alfred Benesch and Associates of Chicago, Illinois | This imposing bridge is noted for its very heavy skew. | 
|
135th Street Bridge
Romeoville Bridge / Romeo Road Swing Bridge |
 | 135th Street Over Des Plaines River | Romeoville: Will County, Illinois | Metal Pin-Connected Warren Through Truss, Movable: Swing (Bobtail) |
Total Length: 302 ft Main Span Length: 204 ft Roadway Width: 18 ft Main Spans: 1 |
1899 By: Strobel Steel Construction Company of Chicago, Illinois | This magnificent and large swing bridge was relocated and is the last remaining highway swing bridge in the area. | 
| X |
139th Avenue Bridge
|
 | 139th Avenue Over Black Creek | Rural: Allegan County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 44 ft Main Span Length: 42 ft Roadway Width: 16 ft Main Spans: 1 |
1920 By: Unknown | A good example of a small warren pony truss in a pleasant setting. | 
|
280th Street Bridge
CR-G62 Bridge (Iowa Number 235850) |
 | 280th Street (CR-G62) Over Coal Creek | Rural: Mahaska County, Iowa | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 104 ft Main Span Length: 51 ft Roadway Width: 19 ft Main Spans: 1 |
By: Unknown | A small standard plan truss bridge in a scenic rural location. | 
|
305th Avenue Bridge
Iowa Bridge Number 347140 |
 | 305th Avenue Over Bohemian Creek | Rural: Winneshiek County, Iowa | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 75 ft Main Span Length: 70 ft Roadway Width: 16.1 ft Main Spans: 1 |
1922 By: Unknown | A small, traditionally composed standard pony truss in a rural setting. | 
|
370th Street Bridge
Iowa Bridge Number 349850 |
 | 370th Street Over Upper Iowa River | Rural: Winneshiek County, Iowa | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 147 ft Main Span Length: 73.2 ft Roadway Width: 16.1 ft Main Spans: 2 |
1904 By: Unknown | This bridge is a most unusual structure which is composed of at least one relocated truss span. | 
|
5th Line Bridge
|
| 5th Line Over Nottawasaga River | Rural: Dufferin County, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This is a small pony truss a short distance off the main road on a dead-end road. | 
|
5th Street Footbridge
Turners Falls Road Pedestrian Bridge |
| Pedestrian Walkway Over Power Canal | Turners Falls: Franklin County, Massachusetts | Metal Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | An old riveted pedestrian bridge likely built to allow workers to cross the canal to get to the mills on the other side. | 
| S |
6th Street Bridge
|
 | Sixth Street Over Railroad (Norfolk Southern) | Griffin: Spalding County, Georgia | Metal 6 Panel Pin-Connected Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 695 ft Main Span Length: 100 ft Roadway Width: 27.2 ft Main Spans: 1 |
By: Unknown | An extremely rare pin-connected Warren truss, this may be the most important historic bridge in Georgia. | 
|
6th Street Railroad Bridge
Augusta Railroad Bridge |
 | Railroad (Norfolk Southern) Over Savannah River | Augusta: Richmond County, Georgia and Aiken County, South Carolina | Metal Rivet-Connected Warren Through Truss, Movable: Bascule | Main Spans: 6 | By: Unknown | This bridge has a variety of span types. | 
|
8th Concession Road Bridge
|
| 8th Concession Road Over Big Creek | Rural: Norfolk County, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This bridge is still open to traffic, but on a road no longer maintained and rarely used. | 
|
Abandoned Erie Railroad Bridge
|
| Railroad (Abandoned Erie Railroad) Over Railroad (Norfolk Southern) | Cleveland: Cuyahoga County, Ohio | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed |
Main Span Length: 140 ft Main Spans: 1 |
By: Unknown | This bridge has had its westerly approach completely removed, leaving a bridge to nowhere. | 
|
Allegan City Dam Bridge
|
| Dam Access Over Kalamazoo River | Allegan: Allegan County, Michigan | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This truss bridge serves to allow workers to acess the various parts of a small dam. | 
|
Amasa Railroad Bridge
|
 | Railroad (Soo Line) Over Hemlock River | Amasa: Iron County, Michigan | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | 1920 By: Unknown | This uncommon example of a railroad pony truss has massive members. | 
| ! |
Anthony's Bridge
|
 | Anthony's Mill Road Over West Branch Perkiomen Creek | Rural: Berks County, Pennsylvania | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 85 ft Main Span Length: 83 ft Roadway Width: 18 ft Main Spans: 1 |
1902 By: William F. Remppis Company of Reading, Pennsylvania and Dreibelbis and Company | Preservationists are attempting to save this attractive truss bridge from demolition. | 
| ! |
Anton Street Bridge
|
| Anton Street Over Sebewaing River | Sebewaing: Huron County, Michigan | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 100 ft Main Span Length: 90 ft Roadway Width: 19.7 ft Main Spans: 1 |
1902 By: Unknown | A skewed, urban, example of a warren pony truss still open to traffic in decent condition. | 
|
Apalachin Bridge
|
| Main Street Over Apalachin Creek | Apalachin: Tioga County, New York | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 132 ft Main Span Length: 130 ft Roadway Width: 27.2 ft Main Spans: 1 |
1929 By: Unknown | This attractive bridge has been well maintained and recently rehabilitated. | 
|
Arlington Avenue Railroad Bridge
|
| Railroad (Penn Central) Over Arlington Avenue | Pittsburgh: Allegheny County, Pennsylvania | Metal Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 1 | By: Unknown | This bridge is noted for its extreme skew that is accommodated with non-skewed spans. | 
|
Arranvale Bridge
Stan Dolphin Memorial Bridge |
| Mill Road Over Sauble River | Arranvale: Bruce County, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This pony truss is located in a scenic setting right on a bend in the road. | 
|
Auburn Riverwalk Bridge
|
| Railroad (Auburn Riverwalk Rail-Trail) Over Androscoggin River | Lewiston and Auburn: Androscoggin County, Maine | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 3 | By: Unknown | This multi-span railroad truss bridge has been converted for non-motorized public use. | 
| ! |
Aulwurm Drive Bridge
|
| Aulwurm Drive Over Little Calumet River | Blue Island: Cook County, Illinois | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 4 | By: Unknown | Just about everything that could go wrong with this rare multi-span pony truss has gone wrong. | 
|
Ausable Road Bridge
|
| Ausable Road Over Ausable River | Rural: Middlesex County, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | 1900 By: Hamilton Bridge Company of Hamilton, Ontario | A lightweight pony truss bridge built by the Hamilton Bridge Works in the first decade of the 20th century. | 
|
B Line Bridge
|
| B Line Over Snake Creek | Rural: Bruce County, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This small, traditionally composed structure is largely unaltered. | 
| ! |
B. B. Comer Bridge
Scottsboro Bridge |
 | AL-35 (Southbound) Over Tennessee River | Scottsboro: Jackson County, Alabama | Metal Continuous Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 2143 ft Main Span Length: 310 ft Roadway Width: 19.7 ft Main Spans: 3 |
1930 By: Unknown | This landmark historic truss bridge is to be reduced to scrap metal. | 
|
Babtiste Creek Private Bridge
|
| Private Trail Over Babtiste Creek | Rural: Chatham-Kent Region, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This unusual lightweight Warren pony truss has some unusual design to it. | 
|
Balls Falls Bridge
|
| 6th Avenue Over 20 Mile Creek | Rural: Niagara Region, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This bridge is located where 6th Avenue passes through a park setting at a historic crossing right by a spectacular waterfall. | 
| ! |
Baltimore and Ohio Railroad / Chicago Terminal Bridge
|
 | Railroad (Baltimore and Ohio / Chicago Terminal) Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Heel Trunnion) |
Total Length: 186 ft Main Spans: 1 |
1930 By: American Bridge Company of New York, New York and Strauss Bascule Bridge Company of Chicago, Illinois | This mature example of a Strauss heel-trunnion bascule bridge has been abandoned in its raised position. | 
|
Baltimore and Ohio Railroad Bridge #460
|
| Railroad (CSX) Over Cuyahoga River | Cleveland: Cuyahoga County, Ohio | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Rolling Lift) |
Total Length: 205 ft Main Span Length: 160 ft Main Spans: 1 |
1906 By: American Bridge Company of New York, New York and Scherzer Rolling Lift Bridge Company of Chicago, Illinois | This bridge is among the oldest in Cleveland and remains in use. | 
|
Baltimore and Ohio Railroad Bridge #463
|
| Railroad (Abandoned Baltimore and Ohio) Over Cuyahoga River | Cleveland: Cuyahoga County, Ohio | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Heel Trunnion) |
Total Length: 255 ft Main Span Length: 231 ft Roadway Width: 22 ft Main Spans: 1 |
1956 By: American Bridge Company of New York, New York | This bridge has been left standing for its historic and aesthetic values, but is otherwise abandoned. | 
|
Baltimore and Ohio Railroad Bridge #464
|
| Railroad (Abandoned Baltimore and Ohio) Over Cuyahoga River | Cleveland: Cuyahoga County, Ohio | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Rolling Lift) |
Total Length: 334 ft Main Span Length: 210 ft Main Spans: 1 |
1907 By: King Bridge Company of Cleveland, Ohio and Scherzer Rolling Lift Bridge Company of Chicago, Illinois | This impressive structure is one of the most significant railroad bridges in Cleveland. | 
| ! |
Balyeat Field Bridge
|
 | Park Walkway Over Nash Creek | Sparta: Kent County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This small pony truss has been altered and deteriorated, but still has heritage value and could be restored. | 
|
Bankhead Avenue Bridge
|
 | Bankhead Avenue Over Railroad (Norfolk Southern and CSX) | Atlanta: Fulton County, Georgia | Metal Rivet-Connected Warren Through Truss, Fixed |
Total Length: 370 ft Main Span Length: 100 ft Roadway Width: 30 ft Main Spans: 1 |
1912 By: Unknown | Although approach spans at one end have been removed, this bridge remains an impressive and locally significant bridge. | 
| ! |
Bar Mills Bridge
Memorial Bridge |
| ME-4A (Main Street) Over Saco River | Hollis and Buxton: York County, Maine | Metal Continuous Rivet-Connected Warren Through Truss, Fixed |
Total Length: 512 ft Main Span Length: 224 ft Roadway Width: 22 ft Main Spans: 3 |
1937 By: Boston Bridge Works of Boston, Massachusetts | This rare Warren continuous through truss is at risk for demolition despite its decent condition and historic significance. | 
| ! |
Bar Mills Canal Bridge
|
| ME-4A (Main Street) Over Saco River Canal | Hollis: York County, Maine | Metal Continuous 6 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 139 ft Main Span Length: 134.8 ft Roadway Width: 22 ft Main Spans: 1 |
1937 By: Boston Bridge Works of Boston, Massachusetts | This truss span is a companion to the nearby Bar Mills continuous truss. | 
|
Barklay Boulevard Bridge
|
| Barklay Boulevard Over Sydenham River | Rural: Middlesex County, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | An abandoned former trunkline pony truss bridge with poor deck condition. | 
|
Barters To Hodgdon Bridge
Trevett Bridge |
| Barters Island Road Over Back River | Trevett: Lincoln County, Maine | Metal 6 Panel Rivet-Connected Warren Pony Truss, Movable: Swing (Center Pier) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 288 ft Main Span Length: 110 ft Roadway Width: 20 ft Main Spans: 1 |
1931 By: Berlin Construction Company of Berlin Connecticut | This bridge stands out among historic bridges in Maine as a pony truss swing bridge. | 
|
Base Line Bridge
|
| Base Line Over Indian River | Rural: Peterborough County, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This bridge is a good example of a heritage bridge built by a local bridge builder. | 
|
Bayfield Bridge
|
| KH-21 Over Bayfield River | Bayfield: Huron County, Ontario | Metal Rivet-Connected Warren Deck Truss, Fixed | Main Spans: 2 | 1949 By: Unknown | An attractive two-span deck truss with v-lacing hidden under an ugly deck. | 
|
Bear Creek Bridge
Knox Road Bridge |
| Knox Road (TR-347, Donley Road, Jackson Avenue) Over South Branch Bear Creek | Rural: Armstrong County, Pennsylvania and Butler County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 83 ft Main Span Length: 77 ft Roadway Width: 17.7 ft Main Spans: 1 |
1913 By: Farris Bridge Company of Pittsburgh, Pennsylvania | A beautiful Warren pony truss in a hilly forest setting. | 
| ! |
Beaverdams Road Bridge
|
| Beaverdams Road Over Lake Gibson (Power Canal, Beaverdams Creek) | Thorold: Niagara Region, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | 1946 By: Unknown | This attractive riveted pony truss is the latest heritage bridge in the Region of Niagara to be at risk for demolition. | 
|
Belle Vernon Bridge
Speers - Belle Vernon Bridge |
 | I-70 Over Monongahela River, Railroads, and Roads | Speers and Belle Vernon: Fayette County, Pennsylvania and Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Cantilever (Suspended Deck) 12 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Cantilever 8 Panel Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 2066 ft Main Span Length: 450 ft Roadway Width: 75 ft Main Spans: 3 |
1951 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania | This graceful looking bridge is a rare example of its kind and a major pre-interstate structure now a part of I-70. | 
| ! |
Birdsall Bridge
|
| River Road Over Ouse River | Rural: Peterborough County, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 73.5 ft Main Span Length: 62 ft Roadway Width: 14.4 ft Main Spans: 1 |
By: Unknown | This attractive truss bridge on a quiet rural road was relocated here in the 1950s. | 
|
Blackburn Point Road Bridge
|
| Blackburn Point Road (CR-789) Over Gulf Intracoastal Waterway | Osprey: Sarasota County, Florida | Metal Rivet-Connected Warren Pony Truss, Movable: Swing (Center Pier) |
Total Length: 142 ft Main Span Length: 142 ft Roadway Width: 15.7 ft Main Spans: 1 |
1925 By: Unknown | An excellent and uncommon example of a swing truss bridge in Florida. | 
|
Bollman Bridge
|
 | Railroad (Rail-Trail) Over Scratch Hill Road | Glade City (Rural): Somerset County, Pennsylvania | Metal 6 Panel Pin-Connected Warren Through Truss, Fixed |
Total Length: 81 ft Main Span Length: 81 ft Roadway Width: 13 ft Main Spans: 1 |
1871 By: Wendel Bollman of Baltimore, Maryland | An extremely rare cast iron bridge and one of the last surviving bridges that were designed by the famous Baltimore and Ohio Railroad Chief Engineer. | 
|
Boston Bridge
|
| Walnut Street (PA-48 - Orange Beltway) Over Youghiogheny River | Versailles: Allegheny County, Pennsylvania | Metal Cantilever 18 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 1182 ft Main Span Length: 420 ft Roadway Width: 29.5 ft Main Spans: 3 |
1931 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania | This distinctive and unique bridge was built with aesthetics in mind. | 
|
Boundary Bridge 44
|
| Simcoe Street Over Talbot River (Trent-Severn Waterway) | Rural: Kawartha Lakes City, Ontario and Simcoe County, Ontario | Metal 10 Panel Rivet-Connected Warren Pony Truss, Movable: Swing (Center Bearing Center Pier) | Main Spans: 1 | By: Unknown | This bridge is an outstanding and increasingly rare surviving example of a riveted swing bridge on this heritage waterway. | 
|
Bowdoinham Bridge
|
| ME-24 (River Road, Bay Road) Over Cathance River | Bowdoinham: Sagadahoc County, Maine | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 155.8 ft Main Span Length: 155.8 ft Roadway Width: 24.3 ft Main Spans: 1 |
1953 By: Unknown | This bridge is a good representative example of a very late state-designed riveted truss bridge in Maine. | 
|
Brent Spence Bridge
|
| I-75 and I-70 Over Ohio River | Cincinnati and Covington: Hamilton County, Ohio and Kenton County, Kentucky | Metal Cantilever Rivet-Connected Warren Through Truss, Fixed |
Total Length: 1736.4 ft Main Span Length: 830.8 ft Roadway Width: 91.8 ft Main Spans: 3 |
1963 By: American Bridge Company of New York, New York and Modjeski and Masters | This impressive double deck cantilever truss bridge features an attractive design despite its relatively late construction date. | 
|
Bridge Street Bridge
|
 | Bridge Street Over Chemung River | Corning: Steuben County, New York | Metal Cantilever 10 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 586 ft Main Span Length: 222.8 ft Roadway Width: 37 ft Main Spans: 3 |
1937 By: H. E. Bunce | This awe-inspiring bridge is the third oldest cantilever truss in the state and is very photogenic. | 
|
Bridge Street Bridge
|
| Bridge Street Over Merrimack River | Lowell: Middlesex County, Massachusetts | Metal Cantilever 10 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 474 ft Main Span Length: 197 ft Roadway Width: 40 ft Main Spans: 3 |
1937 By: American Bridge Company of New York, New York | A rare example of a small-scale cantilever bridge structure. | 
| X |
Bridge Street Bridge
Noble County Bridge 2 |
| Bridge Street Over Elkhart River | Ligonier: Noble County, Indiana | Metal 7 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 87 ft Main Span Length: 84 ft Roadway Width: 22 ft Main Spans: 1 |
1925 By: Unknown | A good example of 1920s standard plan pony truss bridge construction in Indiana. | 
|
Bridgeport Railroad Bridge
|
| Railroad (CSX) Over Cass River | Bridgeport: Saginaw County, Michigan | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | 1909 By: American Bridge Company of New York, New York | A beautiful through railroad truss with an interesting portal and plenty of v-lacing and lattice. | 
|
Brockton Bridge
|
| Concession Road 2A (Concession Road 20) Over Teeswater River | Rural: Bruce County, Ontario | Metal Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Hamilton Bridge Company of Hamilton, Ontario | This is a lightweight pony truss of decent span length. | 
|
Brookville Viaduct
|
| Railroad (Pittsburg and Shawmut) Over Sandy Lick Creek and Railroad (Pennsylvania Railroad) | Rural: Jefferson County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal 5 Panel Rivet-Connected Pratt Through Truss, Fixed | Main Spans: 1 | 1906 By: Unknown | This impressive bridge has a curve to it and has a variety of interesting span types. | 
|
Bruce-Saugeen Townline Bridge
CR-11 Bridge |
 | Bruce-Saugeen Townline (CR-11) Over Mill Creek | Rural: Bruce County, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This bridge has the appearance of an unusual pony truss with vertical members, but it appears that the bridge was not always this way. | 
|
Buckingham Road Bridge
|
| Buckingham Road (TR-181) Over Marsh Run | Rural: Huron County, Ohio | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 60 ft Main Span Length: 54 ft Roadway Width: 17 ft Main Spans: 1 |
1922 By: Unknown | This traditional pony truss with fair historic integrity has Armco guardrails improperly mounted on it. | 
|
Buffalo Run Road Bridge
|
| Buffalo Run Road (CR-25/8) Over Pond Creek | Rural: Wood County, West Virginia | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 38 ft Main Span Length: 37 ft Roadway Width: 12.5 ft Main Spans: 1 |
1905 By: Unknown | A small, early example of a truss bridge with riveted connections. | 
|
Buffenmeyer Road Bridge
|
| Buffenmeyer Road Over Railroad (Norfolk Southern) | Rural: Westmoreland County, Pennsylvania | Metal 7 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 93 ft Main Span Length: 93 ft Roadway Width: 18 ft Main Spans: 1 |
1906 By: American Bridge Company of New York, New York | This bridge has a flat plate-like appearance due to its design. | 
| ! |
Burgoyne Bridge
St. Paul Street Bridge |
| St. Paul Street Over 12 Mile Creek | St. Catharines: Niagara Region, Ontario | Metal 6 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 1236 ft Main Span Length: 120 ft Roadway Width: 30 ft Main Spans: 7 |
1915 By: Dominion Steel and Coal Corporation and Sprague and Reppert of Pittsburgh, Pennsylvania | Despite its significance as an impressive deck truss that soars across the valley of 12 Mile Creek, demolition is planed for this heritage bridge. | 
|
Burnham Bridge
Menominee River Canal Railroad Bridge |
 | Railroad (Canadian Pacific) Over Menominee River Canal | Milwaukee: Milwaukee County, Wisconsin | Metal Multiple-Type-Connected Warren Through Truss, Movable: Swing (Bobtail) | Main Spans: 1 | By: Unknown | One of three nationally significant and rare bobtail swing bridges in the city. | 
|
Burns Road Culvert
|
 | Burns Road Over Local Drain | Rural: St. Clair County, Michigan | Metal Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | The railings on this culvert look like they came from a light-weight truss bridge. | 
|
Burroughs Street Bridge
|
| Portland Rail-Trail Over Looking Glass River | Portland: Ionia County, Michigan | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 120 ft Main Span Length: 57 ft Roadway Width: 13.5 ft Main Spans: 2 |
1905 By: Unknown | This extremely rare two-span pony truss was moved from Kent County. | 
|
Byron Railroad Bridge
|
| Railroad (MDOT Owned) Over Shiawassee River | Byron: Shiawassee County, Michigan | Metal 8 Panel Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 104 ft Main Span Length: 104 ft Roadway Width: 11 ft Main Spans: 1 |
By: Toledo-Massillon Bridge Company of Toledo, Ohio | An excellent and locally uncommon example of a railroad deck truss. | 
|
Caledonia CSX Railroad Bridge
|
| Railroad (CSX) Over Whetstone Creek | Caledonia: Marion County, Ohio | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | This bridge is one of two railroad truss bridges sitting side by side. | 
|
Calumet River Norfolk Southern Railroad Bridges
|
 | Railroad (Various) Over Calumet River | Chicago: Cook County, Illinois | Metal 8 Panel Rivet-Connected Warren Through Truss, Movable: Vertical Lift |
Total Length: 210 ft Main Span Length: 210 ft Roadway Width: 31.25 ft Main Spans: 1 |
1912 By: Kelly-Atkinson Construction Company of Chicago, Illinois and Waddell and Harrington | Once a group of five bridges, the three remaining impressive vertical lifts are excellent examples of Waddell and Harrington vertical lift bridges. | 
|
Canadian National Railway Truss Bridge
|
| Railroad (Abandoned Canadian National) Over Trent-Severn Waterway | Peterborough: Peterborough County, Ontario | Metal Rivet-Connected Warren Through Truss, Movable: Swing (Rim Bearing Center Pier) |
Main Span Length: 217.5 ft Main Spans: 1 |
1898 By: Central Bridge and Engineering Company of Peterborough, Ontario | This abandoned swing bridge is a beautiful heritage landmark for users of the nearby Rotary Greenway Trail. | 
|
Canadian Pacific Railway Swing Bridge
Bridge Number 25 |
| Railroad (Canadian Pacific) Over Trent-Severn Waterway | Peterborough: Peterborough County, Ontario | Metal Rivet-Connected Warren Through Truss, Movable: Swing (Rim Bearing Center Pier) |
Total Length: 190 ft Main Span Length: 187 ft Main Spans: 1 |
1898 By: Central Bridge and Engineering Company of Peterborough, Ontario | This impressive swing bridge continues to operate for trains and boats as needed and is easy to view. | 
|
Canaseraga Creek Bridge
|
| Abandoned Road Over Canaseraga Creek | Rural: Livingston County, New York | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | Long abandoned, this bridge has lightweight trusses that retain integrity, but its approaches are gone. | 
| S |
Capac Road Bridge
|
| Capac Road Over Belle River | Rural: St. Clair County, Michigan | Metal Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown and Michigan State Highway Department | This bridge is now sitting on private property next to its replacement slab. | 
| ! |
Card Road Bridge
|
| Card Road Over North Branch Clinton River | Rural: Macomb County, Michigan | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 81 ft Main Span Length: 76.8 ft Roadway Width: 16.4 ft Main Spans: 1 |
1910 By: Unknown | This beautiful bridge, filled with history and memories, today facing demolition! | 
|
Cardington Denmark Martel Road Bridge North
|
| Cardington Denmark Martel Road (CR-28) Over Shaw Creek | Rural: Morrow County, Ohio | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 62 ft Main Span Length: 60 ft Roadway Width: 15.4 ft Main Spans: 1 |
1910 By: York Bridge Company of York, Pennsylvania | This bridge is an extremely rare example of a rivet-connected truss bridge with u-bolt hangers for the floor beams. | 
|
Carlton Bridge
|
| Railroad (Maine Eastern Railroad) and US-1 (Abandoned Alignment) Over Kennebec River | Bath: Sagadahoc County, Maine | Metal 9 Panel Rivet-Connected Warren Deck Truss, Movable: Vertical Lift and Approach Spans: Metal 12 Panel Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 3098 ft Main Span Length: 330 ft Roadway Width: 24 ft Main Spans: 1 |
1926 By: Unknown and J. A. L. Waddell | This impressive vertical lift bridge originally carried a highway deck on top in addition to a railroad deck below. | 
|
Carson Street Bridge
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| Carson Street Over Chartiers Creek | McKees Rocks: Allegheny County, Pennsylvania | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 144 ft Main Span Length: 140 ft Roadway Width: 34 ft Main Spans: 1 |
1925 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Allegheny County Department of Public Works | This bridge is actually a very tall pony truss to which overhead bracing was added. | 
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Cash Road Bridge
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| Cash Road Over Elk Creek | Cash (Rural): Sanilac County, Michigan | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 72.8 ft Main Span Length: 70 ft Roadway Width: 15.4 ft Main Spans: 1 |
1910 By: Unknown | This wooden deck warren pony truss was moved to private property. | 
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Cass River Railroad Bridge
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| Railroad (Central Michigan / Huron and Eastern Railroad) Over Cass River | Rural: Saginaw County, Michigan | Metal 5 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | A nice through truss with long wooden approaches. | 
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Cemetery Lane Bridge
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 | Cemetery Lane Over Fall Creek | Rural: Tompkins County, New York | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 70 ft Main Span Length: 69 ft Roadway Width: 14.8 ft Main Spans: 1 |
1915 By: Unknown | This is a standard plan truss bridge that is more than capable of continuing to serve the road it is on. | 
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Center Avenue Bridge
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| Center Avenue (PA-3025) Over Railroad (CSX) | Somerset: Somerset County, Pennsylvania | Metal 10 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 148 ft Main Span Length: 143 ft Roadway Width: 17.4 ft Main Spans: 1 |
1912 By: Unknown | This bridge will likely be demolished soon despite its aesthetic value. | 
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Centre Bridge
Centre Bridge - Stockton Toll Supported Bridge |
| Bridge Street (Upper York Road) Over Delaware River | Stockton and Centre Bridge: Hunterdon County, New Jersey and Bucks County, Pennsylvania | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 825.2 ft Main Span Length: 152 ft Roadway Width: 20 ft Main Spans: 6 |
1926 By: Unknown | A large, multi-span truss features different span sizes including some very short through truss spans. | 
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Chappel Hill Road Bridge
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| Chappel Hill Road (TR-355) Over Caldwell Creek | Rural: Warren County, Pennsylvania | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 43 ft Main Span Length: 40 ft Roadway Width: 13.8 ft Main Spans: 1 |
1910 By: Unknown | A little Warren pony truss hidden away on a quiet country road. | 
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Cheboygan River Railroad Bridge
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| Railroad (Rail-Trail) Over Cheboygan River | Rural: Cheboygan County, Michigan | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | 1904 By: American Bridge Company of New York, New York | This is a good, early example of a railroad through truss built by the American Bridge Company of New York, New York. | 
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Chesley Bridge
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| Chesley Heritage Trail Over North Saugeen River | Chesley: Bruce County, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | Currently serving a non-motorized trail, this bridge is today the last remaining truss bridge in Chesley, following demolition of another truss. | 
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Chestnut Ridge Road Bridge
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| Chestnut Ridge Road (TR-50) Over Tributary Cedar Fork Creek | Rural: Morrow County, Ohio | Metal 4 Panel Bolt-Connected Warren Pony Truss, Fixed |
Total Length: 50 ft Main Span Length: 48 ft Roadway Width: 13.8 ft Main Spans: 1 |
1915 By: Unknown | This small pony truss was riveted in the shop, but all parts assembled in the field were bolted. | 
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Chicago and Alton Railroad Bridge
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| Railroad (Chicago and Alton) Over South Fork South Branch Chicago River | Chicago: Cook County, Illinois | Metal 5 Panel Rivet-Connected Warren Through Truss, Movable: Bascule (Page) and Approach Spans: Metal Girder, Fixed |
Total Length: 214 ft Main Span Length: 150 ft Roadway Width: 34.3 ft Main Spans: 1 |
1906 By: American Bridge Company of New York, New York and W. M. Hughes of Chicago, Illinois | The first ever built, and one of the last remaining examples of a Page bascule bridge. | 
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Chicago Skyway Toll Bridge
High Bridge |
| I-90 (Chicago Skyway) Over Calumet River | Chicago: Cook County, Illinois | Metal Cantilever Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 2458 ft Main Span Length: 650 ft Roadway Width: 76.4 ft Main Spans: 3 |
1958 By: American Bridge Company of New York, New York and J. E. Greiner Company of Chicago, Illinois | This 1950s cantilever bridge is the only monumental sized high level bridge in Chicago. | 
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Chicago Transit Authority "L" System
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| Railroad (Chicago Transit Authority) Over Various Streets of Chicago | Chicago: Cook County, Illinois | Metal Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed | By: Various Builders | Essentially a very long multi-span bridge, parts of this railway are as old as the late 1800s, and feature riveted girder and truss construction. | 
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Church Hill Road Bridge
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| Church Hill Road Over Middle Creek | Rural: Frederick County, Maryland | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 65 ft Main Span Length: 65 ft Roadway Width: 11.5 ft Main Spans: 1 |
1908 By: York Bridge Company of York, Pennsylvania | This bridge has a builder plaque that is upside down! | 
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Church Street Railroad Overpass
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| Church Street (CR-579) Over Railroad (Lehigh Valley) | Bloomsbury: Hunterdon County, New Jersey | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 129 ft Main Span Length: 81 ft Roadway Width: 13.8 ft Main Spans: 1 |
1910 By: Unknown | This bridge has curved parallel chords to efficiently increase clearance for trains. | 
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Churchville Road Bridge
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| Churchville Road Over Credit River | Brampton: Peel Region, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed |
Main Span Length: 90 ft Main Spans: 1 |
1911 By: Unknown | Seldom has a bridge of this size had steel that came from so many different steel mills! | 
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Clay Road Bridge
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| Clay Road Over Mill Creek | Rural: Ashtabula County, Ohio | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 50 ft Main Span Length: 47 ft Roadway Width: 16 ft Main Spans: 1 |
1919 By: Brookville Bridge Company of Brookville, Ohio | A good example of a small Brookville Bridge Company of Brookville, Ohio bridge. | 
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Cleves Railroad Bridge
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| Railroad (Central Railroad of Indiana) Over Great Miami River | Cleves: Hamilton County, Ohio | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 6 | 1913 By: Pennsylvania Steel Company of Steelton, Pennsylvania | A very long six span railroad truss bridge is quite an impressive sight. | 
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Climax Bridge
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| Tunnel Road Over Redbank Creek | Climax (Rural): Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 258 ft Main Span Length: 101 ft Roadway Width: 11.2 ft Main Spans: 3 |
1898 By: Unknown | This highly unusual 1890s deck truss apparently served a rail-line before becoming a highway bridge, and was located near a very cool railroad stone tunnel! | 
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Cogley Bridge
Pebble Road Bridge |
| Pebble Road (TR-738) Over South Branch Bear Creek | Rural: Armstrong County, Pennsylvania | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 54 ft Main Span Length: 49 ft Roadway Width: 13.5 ft Main Spans: 1 |
1910 By: Unknown | This pony truss features an attractive mix of lattice and v-lacing on its members. | 
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Cold Water Creek Road Bridge
Iowa Bridge Number 349700 |
 | Cold Water Creek Road Over Cold Water Creek | Rural: Winneshiek County, Iowa | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 50 ft Main Span Length: 50 ft Roadway Width: 21 ft Main Spans: 1 |
1962 By: Unknown | A short and late example of a standard riveted truss in Iowa. | 
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Columbus Avenue Bridge
Washington Avenue Bridge / Warner Street Bridge |
| Columbus Avenue Over Railroad (Norfolk Southern) | Pittsburgh: Allegheny County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed and Approach Spans: Metal Through Girder, Fixed |
Total Length: 237 ft Main Span Length: 107 ft Roadway Width: 27.9 ft Main Spans: 2 |
1907 By: Unknown | This altered bridge remains noteworthy because of its unusual sharply curved design. | 
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Concession 2 WGR Bridge
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| Concession 2 WGR Over South Saugeen River | Rural: Grey County, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 1 | By: Unknown | This pony truss bridge also features an approach span which is a rolled i-beam girder. | 
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Concession A Road Bridge
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| Concession A Road Over Big Creek | Rural: Norfolk County, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This bridge has been closed to traffic but would be worth rehabilitating and reopening for vehicular use. | 
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Concession Road 18 Bridge
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| Concession Road 18 Over Beatty Saugeen River | Rural: Grey County, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | Painted red, this pony truss is a beautiful feature of this road. | 
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Concession Road 2 Sunnidale Bridge
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| Concession Road 2 Sunnidale Over Mad River | Rural: Simcoe County, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This is a small pony truss on a quiet rural road on the edge of Minesing Wetlands Conservation Area. | 
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Concord Church Road Bridge
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| Concord Church Road, Herman Road (PA-588) Over Brush Creek | Rural: Beaver County, Pennsylvania | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 78 ft Main Span Length: 75 ft Roadway Width: 18 ft Main Spans: 1 |
1929 By: Unknown | A Warren pony truss added interest to an otherwise average roadway and insignificant stream crossing. | 
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Congress Parkway "L" Overpass
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| Railroad (Chicago Transit Authority "L" Orange Line) Over Congress Parkway | Chicago: Cook County, Illinois | Metal 10 Panel Rivet-Connected Warren Deck Truss, Fixed | Main Spans: 1 | By: Unknown | Although much of the Chicago L could be thought of as one large bridge, this span stands out as different, independent, and noteworthy. | 
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Congress Parkway Bridge
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| Congress Parkway Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Rivet-Connected Warren Deck Truss, Movable: Bascule (Fixed Trunnion) |
Total Length: 335 ft Main Span Length: 221.5 ft Roadway Width: 83.7 ft Main Spans: 1 |
1956 By: Unknown | One of the most unusually designed of the Chicago bridges, because it uses the Warren truss configuration rather than the Pratt. | 
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Congress Street Bridge
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| Congress Street Over Fort Point Channel | Boston: Suffolk County, Massachusetts | Metal Rivet-Connected Warren Pony Truss, Movable: Bascule (Heel Trunnion) and Approach Spans: Metal Deck Girder, Movable: Bascule |
Total Length: 547 ft Main Span Length: 93.8 ft Roadway Width: 40 ft Main Spans: 2 |
1930 By: Boston Bridge Works of Boston, Massachusetts and Strauss Bascule Bridge Company of Chicago, Illinois | One of several historic movable bridges in this area of Boston. | 
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Conneauttee Road Bridge
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| Conneauttee Road (TR-349) Over Little Conneauttee Creek | Rural: Erie County, Pennsylvania | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 55 ft Main Span Length: 54 ft Roadway Width: 15.7 ft Main Spans: 1 |
1914 By: Unknown | This little Warren pony truss was closed to traffic and slowly collapsing in one corner, but could have been preserved. | 
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Connersville Railroad Bridge
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| Railroad (Baltimore and Ohio) Over Whitewater River | Connersville: Fayette County, Indiana | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 3 | By: Unknown | A three span railroad bridge sits hiding behind the trees. | 
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CR-100 South Bridge
Jackson County Bridge 197 |
| CR-100 South Over McHargue Ditch | Rural: Jackson County, Indiana | Metal 4 Panel Bolt-Connected Warren Pony Truss, Fixed |
Total Length: 19.8 ft Main Span Length: 61 ft Roadway Width: 17.7 ft Main Spans: 1 |
1918 By: Henry Harman | A short, traditionally composed example of a Warren pony truss, except for the use of bolted connections, for which it is noteworthy. | 
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CR-16 Bridge
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| CR-16 Over Beaver Creek | Rural: Williams County, Ohio | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 54 ft Main Span Length: 52.2 ft Roadway Width: 16 ft Main Spans: 1 |
1914 By: Brookville Bridge Company of Brookville, Ohio | A small pony truss in poor condition adds heritage and beauty to its roadway. | 
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CR-19 Bridge
Kentucky Trail Road Bridge |
| CR-19 (Kentucky Trail Road) Over Little Scioto River | Rural: Scioto County, Ohio | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 91 ft Main Span Length: 88 ft Roadway Width: 14 ft Main Spans: 1 |
1929 By: Unknown | A traditional Warren pony truss with good historic integrity and an attractive appearance. | 
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CR-200 West Bridge
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| CR-200 West Over Salamonie River | Rural: Jay County, Indiana | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 125 ft Main Span Length: 60 ft Roadway Width: 22 ft Main Spans: 1 |
By: Unknown and Indiana State Highway Commission | Abandoned, this is an uncommon multi-span example of a state standard pony truss in Indiana. | 
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CR-45 Bridge
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| CR-45 (Monroe Road 756) Over Turkey Creek | Rural: Monroe County, Missouri | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 37 ft Main Span Length: 36 ft Roadway Width: 12.1 ft Main Spans: 1 |
1930 By: Unknown | Small, traditional truss bridges like this should not be overlooked. | 
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CR-76 Bridge
Monroe Road 819 Bridge |
| CR-76 (Monroe Road 819) Over Long Branch Creek | Rural: Monroe County, Missouri | Metal 3 Panel Rivet-Connected Warren Bedstead Pony Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 81 ft Main Span Length: 48 ft Roadway Width: 12 ft Main Spans: 1 |
1910 By: Unknown | An unusual and noteworthy example of a bedstead with riveted connections. | 
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CR-D Bridge
CR-36 Bridge |
| CR-D Over Beaver Creek | Rural: Williams County, Ohio | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 64 ft Main Span Length: 58 ft Roadway Width: 17 ft Main Spans: 1 |
1922 By: Unknown | A traditional pony truss sits on concrete abutments that include concrete posts . | 
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CR-H50 Bridge
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| CR-H50 Over Leatherwood Creek | Rural: Williams County, Ohio | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 37 ft Main Span Length: 36 ft Roadway Width: 15.4 ft Main Spans: 1 |
1914 By: Brookville Bridge Company of Brookville, Ohio | A small and picturesque pony truss on stone abutments. | 
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Crawford Road Bridge
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| Crawford Road Over Big Creek Drain | Rural: Arenac County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 40 ft Main Span Length: 38.7 ft Roadway Width: 18 ft Main Spans: 1 |
1917 By: Unknown | Only the truss webs from this bridge survive as decorative railings. | 
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Credit River Bridge
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| Private Drive Over Credit River | Mississauga: Peel Region, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This riveted pony truss features trusses that are composed of only rolled beams. | 
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Creek Road Bridge
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| Creek Road (RR-45) Over Oswego Creek | Rural: Niagara Region, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | One of a decreasing number of surviving truss bridges in Niagara Region. | 
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Culmerville Bridge
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| Bakerstown Road Over Railroad (Baltimore and Lake Erie) | Culmerville Road: Allegheny County, Pennsylvania | Metal 10 Panel Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 141 ft Main Span Length: 135 ft Roadway Width: 26.6 ft Main Spans: 1 |
1921 By: American Bridge Company of New York, New York and Bessemer and Lake Erie Railroad | An important historic product of the railroad, this bridge crosses the railroad at a suprising height. | 
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Curry Run Road Bridge
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| Curry Run Road (TR-420) Over Curry Run | Rural: Clearfield County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 51.8 ft Main Span Length: 50 ft Roadway Width: 15.4 ft Main Spans: 1 |
1916 By: Unknown | A classic example of a warren pony truss with good historic integrity. | 
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Dean Avenue Bridge
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| Dean Avenue Over Ravine | Highland Park: Lake County, Illinois | Metal Continuous Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 196 ft Main Span Length: 90 ft Roadway Width: 24.3 ft Main Spans: 1 |
1928 By: Unknown | This deck truss has an unusual continuous design to it. | 
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Decew Road Bridge
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 | Decew Road Over Lake Gibson (12 Mile Creek) | Rural: Niagara Region, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Standard Steel Construction Company of Port Robinson, Ontario | This unusual bridge is a two-span pony truss, but one span is larger than the other. Demolished Summer 2010 | 
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Deering Bridge
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 | Railroad (Metra Union Pacific North) Over North Branch Chicago River | Chicago: Cook County, Illinois | Metal 6 Panel Rivet-Connected Warren Through Truss, Movable: Bascule (Heel Trunnion) |
Total Length: 186 ft Main Span Length: 145 ft Main Spans: 1 |
1916 By: Kelly-Atkinson Construction Company of Chicago, Illinois and Strauss Bascule Bridge Company of Chicago, Illinois | This is an impressive and extremely massive railroad truss bridge. | 
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Dennis Road Bridge
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| Dennis Road Over Big Otter Creek | Rural: Elgin County, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This pony truss bridge has a decent span length and unusual plate outriggers. | 
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Dietzenbach Bottom Bridge
Mill Race Bridge |
| Pheasant Road (Old Alignment) Over Turkey River | Rural: Fayette County, Iowa | Metal 6 Panel Pin-Connected Warren Through Truss, Fixed |
Total Length: 121 ft Main Span Length: 121 ft Roadway Width: 16.1 ft Main Spans: 1 |
1890 By: Chicago Bridge and Iron Works of Chicago, Illinois | A rare example of a pin-connected Warren truss, this bridge was bypassed and abandoned. | 
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Division Road Bridge
Guerin Bridge |
| Division Road Over Indian River | Rural (Guerin): Peterborough County, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This is a riveted pony truss that appears to be in fair condition on this rural road. | 
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Dorchester Bridge
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| Bridge Street Over South Branch Thames River | Dorchester: Middlesex County, Ontario | Metal 6 Panel Rivet-Connected Warren Deck Truss, Fixed | Main Spans: 1 | 1923 By: Unknown | This bridge is an uncommon example of a highway deck truss in Ontario. | 
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Dunbar Bridge
Valleyview Road Bridge |
| Valleyview Road (TR-839) Over Raccoon Creek | Rural: Washington County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 59 ft Main Span Length: 54 ft Roadway Width: 10.2 ft Main Spans: 1 |
1905 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania | This is a skewed, bulky structure that retains excellent historic integrity. | 
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Duquesne Slag Bridge
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| Duquesne Slag Private Road Over Constitution Boulevard (PA-51) and Railroad (Pittsburgh and Lake Erie) | Monaca: Beaver County, Pennsylvania | Metal Cantilever Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 377 ft Roadway Width: 28 ft Main Spans: 5 |
1928 By: Unknown | This is an unusual deck cantilever truss bridge serving a private road. | 
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East River Bridge
East River Crossing Road Bridge |
| East River Crossing Road Over East Branch Tioughnioga River | East River: Cortland County, New York | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 91 ft Main Span Length: 91 ft Roadway Width: 16.4 ft Main Spans: 1 |
1913 By: Unknown | This is an early 20th century pony truss in decent condition. | 
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Echo River Bridge
Bay Street Bridge |
| Bay Street Over Echo River | Echo Bay: Algoma District, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 2 | By: Unknown | A rare example of a multi-span pony truss in a scenic location. | 
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Eight Track Bridge
Western Avenue Railroad Bridges 'Scissors Bridges' |
| Railroad (Various) Over Chicago Sanitary and Ship Canal | Chicago: Cook County, Illinois | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Rolling Lift) and Approach Spans: Metal Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 140 ft Main Span Length: 140 ft Main Spans: 1 |
1909 By: Chicago Bridge and Iron Works of Chicago, Illinois and Scherzer Rolling Lift Bridge Company of Chicago, Illinois | These four side-by-side single leaf bascule bridges are among the most unusual bridges in Cook County. | 
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Elgin, Joliet, and Eastern Railroad Bridge
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| Railroad (Canadian National) Over Indiana Harbor Canal | East Chicago: Lake County, Indiana | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Rolling Lift) and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 1 | By: Unknown and Scherzer Rolling Lift Bridge Company of Chicago, Illinois | This bridge is a small example of a Scherzer Rolling Lift bascule bridge. | 
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Elmore Railroad Bridge
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| Railroad (Rail-Trail) Over Portage River | Elmore: Ottawa County, Ohio | Metal 10 Panel Rivet-Connected Warren Deck Truss, Fixed | Main Spans: 2 | By: Unknown | An attractive deck truss was converted for rail-trail use. | 
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Escanaba River Railroad Bridge
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| Railroad (Canadian National) Over Escanaba River | North Escanaba: Delta County, Michigan | Metal 10 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 680 ft Main Span Length: 100 ft Main Spans: 5 |
1901 By: American Bridge Company of New York, New York | This is an impressive, massive multi-span deck truss. | 
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Evanston-Wilmette Railroad Bridge
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| Railroad (Chicago Transit Authority "L" Purple Line) Over North Shore Channel | Evanston: Cook County, Illinois | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | 1909 By: Unknown and C. R. Dart | A tradtional, stationary truss bridge perhaps stands out in Cook County for those reasons. | 
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Farmington Road Bridge
Hawthorne Drive Bridge / Nankin Mills Bridge |
| Abandoned Farmington Road (Hawthorne Drive) Over Middle River Rouge | Westland: Wayne County, Michigan | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 59.7 ft Main Span Length: 64 ft Roadway Width: 10.5 ft Main Spans: 1 |
1950 By: Unknown | A narrow truss bridge is buried in the woods just off the road, rewarding all who seek it. | 
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Filley Street Bridge
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| Filley Street Over Sconondoa Creek | Sherrill: Oneida County, New York | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 93 ft Main Span Length: 49 ft Roadway Width: 11.5 ft Main Spans: 2 |
By: Unknown | This bridge's two pony truss spans are of different lengths. | 
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Fisher Bridge
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| Fisher Bridge Road (CR-501) Over Little Two Hearted River | Rural: Luce County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 42 ft Main Span Length: 40 ft Roadway Width: 15.7 ft Main Spans: 1 |
1913 By: Unknown | With a load-bearing girder added, this is the only truss bridge left in the county and indeed one of the only noteworthy bridges of any kind. | 
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Flat Road Bridge
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| Flat Road (TR-304) Over West Branch Caldwell Creek | Rural: Warren County, Pennsylvania | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 54 ft Main Span Length: 51.8 ft Roadway Width: 11.8 ft Main Spans: 1 |
1910 By: Unknown | This was an abandoned Warren pony truss that was noted for its skew. | 
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Flats Industrial Railroad Bridge
Cuyahoga River Bridge #8 |
| Railroad (Flats Industrial Railroad) Over Cuyahoga River | Cleveland: Cuyahoga County, Ohio | Metal 10 Panel Rivet-Connected Warren Through Truss, Movable: Vertical Lift |
Total Length: 260 ft Main Spans: 1 |
1953 By: Mount Vernon Bridge Company of Mount Vernon, Ohio and Howard, Needles, Tammen and Bergendorff | This bridge is one of several vertical lifts in Cleveland. | 
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Florence Bridge
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| McLean Mill Road Over Big Darby Creek | Rural (Fox): Pickaway County, Ohio | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 258 ft Main Span Length: 125 ft Roadway Width: 17 ft Main Spans: 2 |
1912 By: Oregonia Bridge Company of Lebanon, Ohio | An impressive two-span structure that features decorative portal bracing design. | 
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Flynn Road Bridge
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| Flynn Road Over Galien River | Rural: Berrien County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 51 ft Main Span Length: 49 ft Roadway Width: 22.6 ft Main Spans: 1 |
1928 By: Unknown | The trusses from this demolished bridge were set up for decoration on a private driveway, and discusses the fate of another metal truss in the county. | 
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Forest Avenue Bridge
Iowa Bridge Number 87340 |
| Forest Avenue Over Beaver Creek | Rural: Butler County, Iowa | Metal 9 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 185 ft Main Span Length: 90 ft Roadway Width: 17.1 ft Main Spans: 2 |
1922 By: Unknown | A beautiful two-span example of a standard plan Iowa pony truss. | 
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Forest Home Drive Bridge #2
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| Forest Home Road Over Fall Creek | Forest Home: Tompkins County, New York | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 75.8 ft Main Span Length: 72 ft Roadway Width: 14 ft Main Spans: 1 |
1904 By: Groton Bridge Company of Groton, New York | This pony truss features an attractive plaque and railings and is in a scenic setting near Cornell University. | 
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Forestville Road Bridge
HD Road Bridge |
| Forestville Road (HD Road) Over Dead River | Rural: Marquette County, Michigan | Metal Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 138.8 ft Main Span Length: 94.8 ft Roadway Width: 15.7 ft Main Spans: 1 |
1935 By: Unknown | As a small deck truss, this is a rare structure; features damaged lattice guardrails. | 
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Foxburg Bridge
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| PA-58 Over Allegheny River | Foxburg: Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 538 ft Main Span Length: 174 ft Roadway Width: 14 ft Main Spans: 3 |
1921 By: Bethlehem Steel Bridge Corporation of Steelton, Pennsylvania | Another breathtaking, one-of-a-kind historic Allegheny River treasure falls under the wrath of PennDOT. | 
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Franklin Street Bridge
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| Franklin Street Walkway Over Railroad (Illinois Central) | Paxton: Ford County, Illinois | Metal Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | One of two pedestrian truss bridges crossing the railroad in Paxton. | 
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Friendship Gardens Bridge
Hendricks County Bridge 216 |
| Pedestrian Walkway Over White Lick Creek | Plainfield: Hendricks County, Indiana | Metal 10 Panel Pin-Connected Warren Through Truss, Fixed |
Total Length: 172 ft Main Span Length: 167 ft Roadway Width: 15.7 ft Main Spans: 1 |
1886 By: Morse Bridge Company of Youngstown, Ohio | Relocated and restored, this bridge is extremely significant for both its builder, ornamentation, and truss configuration. | 
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Glasgow Road Bridge
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| Glasgow Road Over Humber River | Bolton: Peel Region, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Stratford Bridge Company of Stratford, Ontario | This bridge is an extremely rare example of a bridge built by the Stratford Bridge Company. | 
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Glass Avenue Bridge
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| Glass Avenue (Abandoned Alignment) Over 15 Mile Creek (Old Channel) | Rural: Niagara Region, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This abandoned bridge is a reminder that Glass Avenue once went in a different direction in this area. | 
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Grand Haven Swing Bridge
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| Railroad (CSX) Over Grand River | Grand Haven and Ferrysburg: Ottawa County, Michigan | Metal Rivet-Connected Warren Through Truss, Movable: Swing (Center Pier) and Approach Spans: Metal Deck Girder, Fixed |
Main Span Length: 150 ft Main Spans: 1 |
By: Unknown | Both videos and photos are available for this magnificent and photogenic movable bridge! | 
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Grand Rapids Railroad Bridge
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| Railroad (Nickel Plate Road) Over Maumee River | Grand Rapids: Lucas County, Ohio and Wood County, Ohio | Metal Rivet-Connected Warren Through Truss, Fixed | Main Spans: 6 | By: Unknown | A large multi-span truss bridge stands out as significant in northwestern Ohio. | 
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Grimsby Road 7 Bridge
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| Grimsby Road 7 Over 20 Mile Creek | Rural: Niagara Region, Ontario | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This attractive truss bridge has been closed to vehicular traffic but remains accessible to pedestrians. | 
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Hamilton Railroad Bridge
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| Railroad (CSX) Over Great Miami River | Hamilton: Butler County, Ohio | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Stone Semicircular Deck Arch, Fixed | By: Unknown | A beautiful three span railroad truss bridge is complimented by over a dozen stone arch approach spans! | 
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Hampton Avenue Bridge
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 | Hampton Avenue Over Railroad (Norfolk Souther) | Greenville: Greenville County, South Carolina | Metal 10 Panel Pin-Connected Warren Through Truss, Fixed |
Total Length: 164 ft Main Span Length: 164 ft Roadway Width: 16.2 ft Main Spans: 1 |
By: Unknown | This bridge was an extremely rare example of a pin-connected Warren truss that was demolished despite preservation support. | 
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Hansen Lane Bridge
F-4 Road Bridge |
| Hansen Lane (F-4 Road) Over Big Cedar River | Rural: Menominee County, Michigan | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 52.8 ft Main Span Length: 51 ft Roadway Width: 16 ft Main Spans: 1 |
1924 By: Unknown | This bridge is a good example of a regionally uncommon structure type. | 
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Harlem Avenue Bridges
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| Harlem Avenue Over Chicago Sanitary and Ship Canal | Lyons: Cook County, Illinois | Metal Rivet-Connected Warren Deck Truss, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 456.4 ft Main Span Length: 224 ft Roadway Width: 56 ft Main Spans: 1 |
1931 By: Unknown | One of these near-twin bridges is the oldest example of its unusual kind among the Chicago bascule collection. | 
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Hazen Road Bridge
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| Hazen Road Over Venison Creek | Rural: Norfolk County, Ontario | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This is a very short pony truss that has been abandoned, yet has preservation potential. | 
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Henley Island Bridge
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| Henley Island Road Over Martindale Pond (12 Mile Creek) | Rural: Niagara Region, Ontario | Metal Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | 1921 By: Unknown | This small metal truss bridge has been rehabilitated for continued light vehicular use. | 
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Hiltons Gap Bridge
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| US-58 and US-421 Over North Fork Holston River | Rural: Scott County, Virginia | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 248 ft Main Span Length: 143 ft Roadway Width: 23.3 ft Main Spans: 1 |
1930 By: Roanoke Iron and Bridge Works of Roanoke, Virginia | An excellent example of a standard plan truss bridge in Virginia. | 
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Hodgkins Road Bridge
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| Hodgkins Road Over 20 Mile Creek | Rural: Niagara Region, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | Although closed to traffic, this is an outstanding early 20th Century truss bridge surviving in this region with few alterations. | 
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Hohman Avenue Railroad Bridge
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| Railroad (Abandoned) Over Grand Calumet River | Hammond: Lake County, Indiana | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Page) and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 1 | By: Unknown | This is an extremely unusual bascule bridge, and an unexpected sight on the Grand Calumet River today. | 
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Houghton Hancock Bridge
Portage Lake Lift Bridge |
| US-41 (M-26) and Rail-Trail Over Portage Lake (Keweenaw Waterway) | Houghton and Hancock: Houghton County, Michigan | Metal 10 Panel Rivet-Connected Warren Through Truss, Movable: Vertical Lift and Approach Spans: Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 1310 ft Main Span Length: 269 ft Roadway Width: 53.8 ft Main Spans: 1 |
1959 By: American Bridge Company of New York, New York and Hazelet and Erdal of Chicago, Illinois | The record-setting double-deck vertical lift is the only one of its kind in Michigan and is an icon for the region. | 
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Indiana Harbor Belt Grand Calumet Bridge
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| Railroad (Indiana Harbor Belt Railroad) Over Grand Calumet River | Burnham: Cook County, Illinois | Metal Rivet-Connected Warren Pony Truss, Movable: Swing (Center Pier) | Main Spans: 1 | By: Unknown | A extremely rare and unusual example of a pony truss railroad swing bridge. | 
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International Bridge
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 | I-75 / TC-17B Over St. Marys River and Associated Canal System | Sault Ste. Marie: Chippewa County, Michigan and Algoma District, Ontario | Metal Cantilever (Suspended Deck) Bolt-Connected Warren Through Truss, Fixed and Approach Spans: Metal 8 Panel Bolt-Connected Warren Deck Truss, Fixed |
Total Length: 9280.6 ft Main Span Length: 430 ft Roadway Width: 28 ft Main Spans: 7 |
1962 By: Unknown and Steinman, Boynton, Gronquist and London of New York, New York | This is the monumental 2 3/4 Mile long highway bridge in Sault Ste Marie. | 
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Jack Glass Road Bridge
Jerico Road Bridge |
| Jack Glass Road (Jerico Road) Over Apalachee River | Rural: Walton County, Georgia and Barrow County, Georgia | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 79.7 ft Main Span Length: 79.7 ft Roadway Width: 9.8 ft Main Spans: 1 |
1930 By: Leamon and Evans of Atlanta, Georgia | This bridge displays an unsual combination of rolled and built-up beams. | 
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Jefferson Street Viaduct
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| Jefferson Street Over Des Moines River | Ottumwa: Wapello County, Iowa | Metal Cantilever 12 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 2120.5 ft Main Span Length: 150 ft Roadway Width: 33.1 ft Main Spans: 9 |
1936 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin | A rare multi-span Warren deck cantilever truss bridge is a landmark for Ottumwa. | 
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Jerrys Run Private Bridge
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| Private Trail Over Pond Creek | Jerrys Run (Rural): Wood County, West Virginia | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | An attractive Warren pony truss retains good historic integrity. | 
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Johnson Street Bridge
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| Johnson Street Over St. Joseph River | Elkhart: Elkhart County, Indiana | Metal 10 Panel Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 390 ft Main Span Length: 97.8 ft Roadway Width: 44 ft Main Spans: 4 |
1918 By: Elkhart Bridge and Iron Company of Elkhart, Indiana | This long deck truss was drastically modified when widened by adding beams to one side. | 
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Johnson Street Bridge
Blue Bridge |
| Johnson Street (Pandora Avenue) Over Inner Harbour | Victoria: Capital District, British Columbia | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Heel Trunnion) |
Total Length: 376 ft Main Span Length: 148 ft Main Spans: 1 |
1924 By: Canadian Bridge Company of Walkerville, Ontario and Strauss Bascule Bridge Company of Chicago, Illinois | One of the most important movable bridges in Canada is slated for demolition. | 
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Kamloops CN Railway Bridge
CN Railway Swing Bridge |
| Railroad (CN) Over South Thompson River | Kamloops: Thompson-Nicola District, British Columbia | Metal Rivet-Connected Warren Through Truss, Movable: Swing (Center Pier) and Approach Spans: Metal Through Girder, Fixed | Main Spans: 1 | By: Unknown | This attractive swing bridge provides a functional and historical crossing for trains. | 
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Kanona Bridge
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| NY-415 Over Cohocton River | Kanona: Steuben County, New York | Metal 10 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 167 ft Main Span Length: 160 ft Roadway Width: 28.5 ft Main Spans: 1 |
1931 By: Unknown | This representative example of a state standard truss is an aesthetic asset to the roadway it serves. | 
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Kiceniuk Road Bridge
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| Kiceniuk Road Over South Branch Raritan River | Rural: Hunterdon County, New Jersey | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 150 ft Main Span Length: 48 ft Roadway Width: 12.5 ft Main Spans: 3 |
1927 By: Unknown | A well-preserved three span pony truss is a highly unusual sight. | 
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Kiefel Bridge
Green Bridge |
| Green Bridge Road (Quemahoning Dam Road, TR-628) Over Quemahoning Creek | Rural: Somerset County, Pennsylvania | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 171 ft Main Span Length: 85 ft Roadway Width: 16.4 ft Main Spans: 2 |
1913 By: Unknown | An attractive example of a truss bridge composed of riveted angles in a beautiful setting. | 
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Kilmanagh Road Bridge
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| Kilmanagh Road Over Shebeon Creek | Rural: Huron County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 42 ft Main Span Length: 40 ft Roadway Width: 18 ft Main Spans: 1 |
By: Unknown | One of several warren pony truss bridges in storage on private property in the county. | 
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Kinzie Street Railroad Bridge
Chicago and Northwestern Railway Bridge |
| Railroad (Abandoned Union Pacific) Over North Branch Chicago River | Chicago: Cook County, Illinois | Metal 7 Panel Rivet-Connected Warren Through Truss, Movable: Bascule (Strauss Trunnion) and Approach Spans: Metal Girder, Fixed |
Total Length: 195.8 ft Main Span Length: 170 ft Main Spans: 1 |
1907 By: Toledo-Massillon Bridge Company of Toledo, Ohio and Strauss Bascule Bridge Company of Chicago, Illinois | A record-setting bridge when built, this bridge was a pioneer in new bascule bridge designs and technology. | 
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Kivamaki Road Bridge
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| Kivamaki Road Over Whitefish River | Rural: Alger County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 46 ft Main Span Length: 44 ft Roadway Width: 15 ft Main Spans: 1 |
1910 By: Continental Bridge Company of Chicago and Peotone, Illinois | A beautiful little truss bridge is a rare example of work by Continental Bridge Company. | 
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Kniffen Race Track Road Bridge
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| Kniffen Race Track Road (CR-23.50) Over Brush Creek | Rural: Williams County, Ohio | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 54 ft Main Span Length: 48 ft Roadway Width: 15.7 ft Main Spans: 1 |
1920 By: Unknown | This truss bridge has two different paint colors on it. | 
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Koppel Viaduct
Ellwood - Koppel Bridge |
 | PA-351 Over Beaver River | Koppel: Beaver County, Pennsylvania | Metal 7 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 1206 ft Main Span Length: 221 ft Roadway Width: 24 ft Main Spans: 7 |
1915 By: Unknown | This is an uncommon example of a simple span large deck truss, and this bridge has a few unusual details as well. | 
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La Salle Road Bridge
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| La Salle Road Over Big Sauble River | Rural: Mason County, Michigan | Metal 3 Panel Bolt-Connected Warren Pony Truss, Fixed |
Total Length: 45 ft Main Span Length: 45 ft Roadway Width: 15.7 ft Main Spans: 1 |
By: Unknown | This is one of the only examples of a bolted truss bridge in Michigan. | 
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Lake Avenue Bridge
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| Lake Avenue Over Railroad (Norfolk Southern) | Ashtabula: Ashtabula County, Ohio | Metal 11 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 85 ft Main Span Length: 85 ft Roadway Width: 36 ft Main Spans: 1 |
1928 By: Unknown | This low pony truss has an extremely massive top chord and endpost. | 
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Lake Street Bridge
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| Lake Street and Railroad (Chicago El) Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 333 ft Main Span Length: 245 ft Roadway Width: 38 ft Main Spans: 1 |
1916 By: Ketler-Elliott Company of Chicago, Illinois and City of Chicago | A virtual tour of the bridge house and machinery room is available for this double-deck bascule bridge that carries CTA L trains on an upper deck. | 
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Lattins Farm Drive Bridge
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| Lattins Farm Drive Over Erie Canal | Rural: Orleans County, New York | Metal 10 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 219 ft Main Span Length: 94 ft Roadway Width: 10.8 ft Main Spans: 3 |
1911 By: Unknown | This bridge stands out among the vast collection of Erie Canal historic bridges as unlike most of the other bridges. | 
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Laughery Creek Road Bridge
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| Laughery Creek Road (Abandoned Alignment) Over Laughery Creek Branch | Rural: Dearborn County, Indiana | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 41 ft Main Span Length: 39 ft Roadway Width: 15.7 ft Main Spans: 1 |
1917 By: Unknown | This small pony truss has been bypassed and abandoned and is noted for decorative finials on its railings. | 
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Leesburg Station Road Bridge
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| Leesburg Station Road (PA-2002) Over Neshannock Creek | Rural: Mercer County, Pennsylvania | Metal Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 95 ft Main Span Length: 92 ft Roadway Width: 11.8 ft Main Spans: 1 |
1927 By: Unknown | An extremely narrow and uncommon massive-member Warren pony truss. | 
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Leger Road Bridge
SR 4019 Bridge |
| Leger Road (PA-4019) Over Railroad (Norfolk Southern) | Ardara: Westmoreland County, Pennsylvania | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 120 ft Main Span Length: 63 ft Roadway Width: 15.7 ft Main Spans: 1 |
1902 By: American Bridge Company of New York, New York and Pennsylvania Railroad | PennDOT chose to demolish this unique truss bridge along with its ornate cast iron railing posts. | 
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Lehigh Canal Railroad Bridge
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| Railroad (Norfolk Southern) Over Lehigh Canal | North Catasauqua: Northampton County, Pennsylvania | Metal Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: American Bridge Company of New York, New York | This highly unusual bridge has four truss lines that are not equally space apart, and the bridge is also skewed. | 
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Lewis Road Bridge
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| Lewis Road Over Little Salt Creek | Rural: Midland County, Michigan | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 53.2 ft Main Span Length: 48 ft Roadway Width: 16 ft Main Spans: 1 |
1910 By: Unknown | Despite the fact that few Michigan truss bridges are in such good condition, this bridge is doomed. | 
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Lillooet Railway Bridge
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| Railroad (Canadian National) Over Fraser River | Lillooet: Squamish-Lillooet District, British Columbia | Metal Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 2 | By: Unknown | This railway truss bridge is located in a very scenic location. | 
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Littlefield Corner Railroad Bridge
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| Railroad (Canadian National) Over Little Androscoggin River | Littlefield Corner: Androscoggin County, Maine | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | This is a traditionally composed railroad truss bridge and one of three historic bridges side by side here. | 
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London Thames River Railroad Bridge
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| Railroad (Canadian National) Over Thames River | London: Middlesex County, Ontario | Metal 8 Panel Rivet-Connected Warren Deck Truss, Fixed | Main Spans: 2 | By: Unknown | Setting new standards for massive, this bridge has gargantuan members and connections. | 
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Lowell Canal Bridge
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| Pedestrian Walkway Over Canal | Lowell: Middlesex County, Massachusetts | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | A small, lightweight pony truss that likely was originally built for the use of area mills and industry. | 
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Maiden Lane Bridge
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| Maiden Lane (Old, Abandoned Alignment) Over Hickory Creek | St. Joseph Township: Berrien County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This long-abandoned truss bridge is a rarity in Berrien County. | 
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Main Street Sidewalk Bridge
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| Main Street Sidewalk Over Spring Brook | Lima: Livingston County, New York | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This tiny bridge is an uncommon surviving example of a riveted small-scale pedestrian truss bridge. | 
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Major Road Bridge
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| Major Road (Old Alignment) Over Little Turkey River | Rural: Fayette County, Iowa | Metal 6 Panel Pin-Connected Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed | Main Spans: 1 | By: Unknown | One of two rare examples of a pin-connected Warren truss in the county, bypassed and abandoned. | 
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Malloryville Road Bridge
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| Malloryville Road Over Fall Creek | Rural: Tompkins County, New York | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 68 ft Main Span Length: 64 ft Roadway Width: 15.4 ft Main Spans: 1 |
1915 By: Good Roads Machinery Company of Marathon, New York | A small pony truss with an interesting builder. | 
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Marion Williamsport Road Bridge
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| Marion Williamsport Road (CR-61) Over Whetstone Creek | Rural: Morrow County, Ohio | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 72 ft Main Span Length: 71 ft Roadway Width: 16 ft Main Spans: 1 |
By: Unknown | This is an attractive Warren pony truss in decent condition. | 
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Mary Street Bridge
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| Mary Street Over Pigeon River | Omemee: Kawartha Lakes City, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed | Main Spans: 1 | By: Unknown | This attractive pony truss bridge also has a couple steel stringer approach spans. | 
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McCaffrey Bridge
Iowa Bridge Number 348840 |
| 244th Avenue Over Upper Iowa River | Rural: Winneshiek County, Iowa | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 248 ft Main Span Length: 100 ft Roadway Width: 15.1 ft Main Spans: 2 |
1924 By: Unknown | An attractive two-span truss bridge compliments its setting very well. | 
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