| 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 Curves Road Bridge
|
 | 10 Curves Road (CR-498) Over Manistique River | Rural: Schoolcraft County, Michigan | Concrete 60 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 60 ft Main Span Length: 57.7 ft Roadway Width: 22 ft Main Spans: 1 |
1929 By: Unknown and Michigan State Highway Department | This is one of two beautiful but deteriorated concrete camelback bridges on this road. | 
|
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. | 
|
100th Street Bridge
|
 | 100th Street Over Calumet River | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Pony Truss, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 326 ft Main Span Length: 233 ft Roadway Width: 38 ft Main Spans: 1 |
1927 By: Ketler-Elliott Company of Chicago, Illinois and City of Chicago | This bascule bridge is an excellent and unaltered example of a traditional Chicago bascule bridge. | 
|
104th Avenue Bridge
|
 | 104th Avenue (Willow Springs Road) Over Calumet Sag Channel | Palos: Cook County, Illinois | Metal 8 Panel Bolt-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 406 ft Main Span Length: 290 ft Roadway Width: 28 ft Main Spans: 1 |
1964 By: Unknown and Alfred Benesch and Associates of Chicago, Illinois | One of several 1960s truss bridges on the Cal Sag Channel. | 
|
106th Street Bridge
|
| 106th Street Over Calumet River | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Pony Truss, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 349 ft Main Span Length: 250 ft Roadway Width: 38 ft Main Spans: 1 |
1930 By: Ketler-Elliott Company of Chicago, Illinois and City of Chicago | This impressive bascule bridge has very tall trusses and is among the most impressive of the Calumet River highway bridges. | 
|
108th Street Bridge
|
 | 108th Street Over Thornapple River | Rural: Barry County, Michigan and Kent County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 150 ft Main Span Length: 74.8 ft Roadway Width: 40 ft Main Spans: 2 |
1932 By: Willits Brothers Construction Company of Bay City, Michigan and Michigan State Highway Department | A rare transition or prototype bridge, this may be one of the oldest remaining examples of a bridge in Michigan with R4 style railings. | 
|
10th Street Bridge
|
 | 10th Street Over Black River | Port Huron: St. Clair County, Michigan | Metal Deck Girder, Movable: Bascule (Fixed Trunnion) |
Total Length: 375 ft Main Span Length: 190 ft Roadway Width: 44 ft Main Spans: 1 |
1958 By: Walter Toebe Company | This bascule bridge was built in the 1950s and has had its original railings replaced. | 
|
10th Street Bridge
Philip Murray Bridge |
 | 10th Street Over Monongahela River | Pittsburgh: Allegheny County, Pennsylvania | Metal 29 Panel Plate Girder Stiffening Wire Cable Suspension, Fixed |
Total Length: 1275 ft Main Span Length: 725 ft Roadway Width: 40 ft Main Spans: 3 |
1933 By: American Bridge Company of New York, New York | This graceful suspension bridge is a stunning landmark that is enjoyable to cross as well as view from a distance. | 
|
11 Mile Road Railroad Overpass
|
| Railroad (CN) Over 11 Mile Road | Royal Oak: Oakland County, Michigan | Metal Stringer (Multi-Beam), Fixed | Main Spans: 2 | 1930 By: A. Guthrie and Company of St. Paul, Minnesota | A different style among twelve similar railroad over highway bridges in the county associated with a significant project. | 
|
110th Street Bridge
Iowa Bridge Number 214040 |
| 110th Street Over East Fork Des Moines River | Rural: Kossuth County, Iowa | Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 195.2 ft Main Span Length: 100 ft Roadway Width: 15.4 ft Main Spans: 1 |
1895 By: King Bridge Company of Cleveland, Ohio | This bridge is significant as an unaltered pre-1900 bridge system consisting of truss and stringer spans. | 
|
110th Street Bridge
Iowa Bridge Number 185150 |
| 110th Street Over East Fork Des Moines River | Rural: Humboldt County, Iowa | Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 110 ft Main Span Length: 90 ft Roadway Width: 15.7 ft Main Spans: 1 |
1911 By: Iowa Bridge Company of Des Moines, Iowa | A traditionally composed through truss bridge in a rural setting. | 
|
110th Street Bridge
Iowa Bridge Number 78120 |
 | 110th Street (U Avenue) Over Squaw Creek | Rural: Boone County, Iowa | Concrete Marsh Rainbow Through Arch, Fixed |
Total Length: 88 ft Main Span Length: 60 ft Roadway Width: 17.1 ft Main Spans: 1 |
1918 By: Marsh Engineering Company of Des Moines, Iowa | A beautiful and well-preserved example of a rare and significant Marsh rainbow arch bridge. | 
|
118th Avenue Bridge
Monroe Road Bridge |
| 118th Avenue (Monroe Road) Over Swan Creek | Rural: Allegan County, Michigan | Concrete 50 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 50 ft Main Span Length: 48 ft Roadway Width: 22 ft Main Spans: 1 |
1926 By: Townsend-Shuttleworth-Ballmer Company of Lansing, Michigan and Michigan State Highway Department | This attractive historic bridge is located in a scenic, public state game area and deserves preservation. | 
|
11th Concession Road Bridge
|
 | 11th Concession Road (11th Line) Over KH-400 | Rural: Simcoe County, Ontario | Concrete Rigid-Frame, Fixed | Main Spans: 1 | By: Unknown | One of a decreasing number of attractive overpass bridges on Highway 400. | 
|
11th Street Bridge
|
 | 11th Street Over Power Canal | Turners Falls: Franklin County, Massachusetts | Metal Rivet-Connected Double-Intersection Warren Through Truss, Fixed |
Total Length: 205 ft Main Span Length: 167 ft Roadway Width: 24 ft Main Spans: 1 |
1915 By: Eastern Bridge and Structural Company of Worcester, Massachusetts | One of the oddest bridges in the country; consisting of two through trusses on either side of the roadway, this bridge is essentially a massive pony truss. | 
|
11th Street Pedestrian Bridge
|
 | Park Walkway Over Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) | Chicago: Cook County, Illinois | Metal Stringer (Multi-Beam), Fixed | Main Spans: 3 | By: Unknown | This attractive bridge allows pedestrians to cross over the railroad line that runs through and under the park. | 
|
12 Mile Road Railroad Overpass
|
| Railroad (CN) Over 12 Mile Road | Royal Oak: Oakland County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 160 ft Main Span Length: 59.7 ft Main Spans: 4 |
1930 By: A. Guthrie and Company of St. Paul, Minnesota | The longest example of twelve similar railroad over highway bridges in the county associated with a significant project. | 
|
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. | 
|
12th Line Bridge
|
| 12th Line Over Grand River | Rural: Dufferin County, Ontario | Concrete Rainbow Through Arch, Fixed |
Total Length: 160 ft Main Span Length: 80 ft Main Spans: 2 |
1921 By: Unknown | This bridge is noted for its relatively long spans and skewed design. | 
|
12th of Brant Bridge
|
 | Concession Road 12 Over Saugeen River | Rural: Bruce County, Ontario | Metal Rivet-Connected Double-Intersection Warren Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Pratt Through Truss, Fixed | Main Spans: 1 | By: Unknown | This unique bridge has two span each of a different type, and is among the largest heritage bridges in the county. | 
| ! |
13 Mile Road Bridge
|
 | 13 Mile Road Over Rouge River | Bingham Farms: Oakland County, Michigan | Concrete Curved T-Beam, Fixed |
Total Length: 69 ft Main Span Length: 30 ft Roadway Width: 41 ft Main Spans: 1 |
1926 By: Unknown | Although altered, this is an unusual and early curved t-beam. | 
|
13 Mile Road Bridge
|
 | 13 Mile Road Over McDuffee Creek | Rural: Newaygo County, Michigan | Concrete Slab, Fixed |
Total Length: 31.8 ft Main Span Length: 15.7 ft Roadway Width: 25 ft Main Spans: 2 |
1934 By: Unknown | A small but unaltered example of a reinforced concrete slab with a railing design that is unusual in Michigan. | 
|
13 Mile Road Railroad Overpass
|
| Railroad (CN) Over 13 Mile Road | Royal Oak: Oakland County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 93 ft Main Span Length: 34.8 ft Main Spans: 2 |
1930 By: A. Guthrie and Company of St. Paul, Minnesota | One of a group of similar railroad over highway bridges in the county associated with a significant project. | 
|
130th Street Bridge
|
| 130th Street Over Calumet River | Chicago: Cook County, Illinois | Metal 12 Panel Rivet-Connected Modified Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 369 ft Main Span Length: 230 ft Roadway Width: 44 ft Main Spans: 1 |
1949 By: Unknown | This truss bridge is a fixed Calumet River bridge that features an unusual modified Warren truss design. | 
|
130th Street Railroad Bridge
|
| Railroad (NICTD South Shore Line) Over Calumet River | Chicago: Cook County, Illinois | Metal 8 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 1 | By: Unknown | An example of late railroad truss bridge construction. | 
|
133rd Avenue Bridge
|
 | Bridge Park Trail Over Dickinson Creek | Rural: Calhoun County, Michigan | Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 66 ft Main Span Length: 64 ft Roadway Width: 14 ft Main Spans: 1 |
1897 By: Michigan Bridge Company of Portland, Michigan | This impressive half-hip Pratt pony was moved to Historic Bridge Park. | 
|
133rd Avenue Railroad Overpass
|
 | Railroad (CSX) Over 133rd Avenue | Rural: Allegan County, Michigan | Concrete Slab, Fixed | Main Spans: 1 | 1908 By: Unknown | This small, simple concrete bridge is a very old example of a general design still used today. | 
|
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. | 
|
13th Line Bridge
|
| 13th Line Over Grand River | Rural: Dufferin County, Ontario | Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed | Main Spans: 1 | By: Hamilton Bridge Company of Hamilton, Ontario | This attractive heritage truss bridge compliments the scenic Grand River very nicely. | 
|
14 Mile Road Railroad Overpass
|
| Railroad (CN) Over 14 Mile Road | Royal Oak: Oakland County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 93 ft Main Span Length: 34.8 ft Main Spans: 2 |
1930 By: A. Guthrie and Company of St. Paul, Minnesota | One of a group of similar railroad over highway bridges in the county associated with a significant project. | 
|
143rd Avenue Bridge
Iowa Bridge Number 347310 |
 | 143rd Avenue Over Upper Iowa River | Rural: Winneshiek County, Iowa | Metal 8 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 217.2 ft Main Span Length: 150 ft Roadway Width: 14.8 ft Main Spans: 1 |
By: Unknown | A representative example of a rural standard plan Parker truss in Iowa. | 
|
15 Mile Creek Road Bridge
|
| National Pike (15 Mile Creek Road, US-40) Over 15 Mile Creek | Rural: Allegany County, Maryland | Concrete Open Spandrel Deck Arch, Fixed |
Total Length: 116 ft Main Span Length: 65 ft Roadway Width: 24 ft Main Spans: 1 |
1917 By: Unknown | The railings and details of the arch make this an attractive bridge. | 
|
150th Street Bridge
Iowa Bridge Number 316250 |
| 150th Street Over South Skunk River | Rural: Story County, Iowa | Metal 8 Panel Rivet-Connected Parker Through Truss, Fixed |
Total Length: 154.2 ft Main Span Length: 150 ft Roadway Width: 19.7 ft Main Spans: 1 |
1920 By: Unknown | A representative example of a rural Iowa Parker truss bridge with what appears to be a bolted connection alteration. | 
|
16th Street Bridge
|
| 16th Street Over Allegheny River | Pittsburgh: Allegheny County, Pennsylvania | Metal Tied Braced Ribbed Through Arch, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 1900 ft Main Span Length: 437 ft Roadway Width: 38 ft Main Spans: 3 |
1923 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania and H. G. Balcom of New York, New York | This ornate bridge is among the most beautifully composed bridges to be found. | 
|
17 Road Bridge
|
| 17 Road (CR-414) Over 10 Mile Creek | Rural: Delta County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 45 ft Main Span Length: 44 ft Roadway Width: 21 ft Main Spans: 1 |
1939 By: Unknown | With attractive concrete balustrade railings, this bridge appears to be an example of a standard bridge design built in this county. | 
|
17 Sideroad Bridge
Happy Valley Bridge |
| 17 Sideroad Over Pine River | Rural: Dufferin County, Ontario | Concrete Rainbow Through Arch, Fixed | Main Spans: 1 | By: Unknown | This is a small but attractive and unaltered concrete bowstring arch bridge. | 
|
18 Road Bridge
|
| 18 Road (CR-414) Over Ford River | Rural: Delta County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 120 ft Main Span Length: 60 ft Roadway Width: 30 ft Main Spans: 2 |
1958 By: Unknown | This is a mid-20th Century bridge that appears to be an example of a county-designed bridge here in Delta County. | 
|
18th Street Bridge
|
| 18th Street Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Railing Height Truss, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 280 ft Main Span Length: 182 ft Roadway Width: 48 ft Main Spans: 1 |
1967 By: Unknown and City of Chicago | This is one of the few single leaf highway bascule bridges in Chicago, and the only example using the pony/deck truss design. | 
|
18th Street Bridge
|
| 18th Street Over Rabbit River | Rural: Allegan County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 45 ft Main Span Length: 45 ft Roadway Width: 25 ft Main Spans: 1 |
1929 By: Unknown | A small example of a steel stringer with concrete balustrade railings. | 
| ! |
190th Avenue Bridge
|
 | 190th Avenue Over Little Muskegon River | Rural: Mecosta County, Michigan | Concrete Through Girder, Fixed |
Total Length: 91 ft Main Span Length: 45 ft Roadway Width: 17 ft Main Spans: 2 |
1916 By: E. W. Baldwin of St. Louis, Michigan and Michigan State Highway Department | This bridge is a very old and long former trunk line example of a concrete girder bridge in Michigan. | 
|
1st Avenue Railroad Overpass
|
| Railroad (Abandoned) Over 1st Avenue | Bessemer: Gogebic County, Michigan | Metal Rivet-Connected Camelback Pony Truss, Fixed |
Total Length: 195 ft Main Span Length: 90 ft Roadway Width: 8 ft Main Spans: 1 |
1896 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin | One of only two truss railroad overpasses that cross a highway in Michigan, this is a very unusual truss. | 
|
1st Line North Bridge
|
| 1st Line Over Irvine Creek | Centre-Wellington: Wellington County, Ontario | Concrete Rainbow Through Arch, Fixed |
Total Length: 63 ft Roadway Width: 16.1 ft Main Spans: 1 |
1929 By: Reid-Riddell Engineering of Toronto, Ontario | One of a rapidly disappearing group of beautiful heritage concrete bowstring rainbow arch bridges in this township. | 
|
20 Mile Road Bridge
|
| Bridge Park Trail Over Dickinson Creek | Rural: Calhoun County, Michigan | Metal 5 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed |
Total Length: 64 ft Main Span Length: 64 ft Roadway Width: 15.4 ft Main Spans: 1 |
1906 By: Unknown | This unusual pony truss was moved to Historic Bridge Park. | 
| X |
20th Avenue Bridge
|
 | 20th Avenue (CR-380) Over South Branch Black River | Rural: Van Buren County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 54.8 ft Main Span Length: 51 ft Roadway Width: 22 ft Main Spans: 1 |
1931 By: Unknown and Michigan State Highway Department | This bridge is noted for its 4.67 percent grade, unusual for this Michigan standard plan bridge design. | 
|
21 Mile Road Bridge
|
 | 21 Mile Road Over Rice Creek | Rural: Calhoun County, Michigan | Metal 5 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 59.7 ft Main Span Length: 59.7 ft Roadway Width: 13 ft Main Spans: 1 |
1885 By: Massillon Bridge Company of Massillon, Ohio | Most bridges in Michigan of this type are closed to traffic; this one remains open with some modifications. | 
|
22 1/2 Mile Road Bridge
|
| 22 1/2 Mile Road Over St. Joseph River | Rural: Calhoun County, Michigan | Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 90 ft Main Span Length: 89 ft Roadway Width: 15 ft Main Spans: 1 |
1906 By: Elkhart Bridge and Iron Company of Elkhart, Indiana | A rare example of a Michigan through truss with riveted connection... plus this bridge is still open to traffic! | 
| X |
22 Mile Road Bridge
Clarendon Bridge |
| 22 Mile Road Over St. Joseph River | Rural: Calhoun County, Michigan | Concrete Girder, Fixed |
Total Length: 79.7 ft Main Span Length: 40 ft Roadway Width: 18 ft Main Spans: 2 |
1920 By: A. R. Morrison of Port Huron, Michigan and Michigan State Highway Department | A good example of a two-span straight chord through girder. | 
|
22 Mile Road Bridge
|
 | 22 Mile Road Over Osborn Drain | Rural: Kent County, Michigan and Newaygo County, Michigan | Concrete Slab, Fixed | Main Spans: 1 | By: Unknown | This tiny bridge is noted for its railing design, evidence of railing diversity in Michigan. | 
|
220th Street Bridge
Iowa Bridge Number 361080 |
| 220th Street Over Turkey River | Rural: Winneshiek County, Iowa | Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 110 ft Main Span Length: 110 ft Roadway Width: 14.4 ft Main Spans: 1 |
By: Unknown | This bridge represents a standard rural Iowa riveted through truss very well. | 
|
220th Street Bridge
Iowa Bridge Number 342800 |
| 220th Street Over Railroad (Union Pacific) | Rural: Webster County, Iowa | Metal 6 Panel Rivet-Connected Howe Pony Truss, Fixed |
Total Length: 78 ft Main Span Length: 76 ft Roadway Width: 21 ft Main Spans: 1 |
By: Unknown | This rare example of a metal Howe truss bridge is an example of railroad thinking for highway bridges. | 
| ! |
23 Mile Road Bridge
|
 | 23 Mile Road Over North Branch Clinton River | Macomb Township: Macomb County, Michigan | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 170 ft Main Span Length: 59.7 ft Roadway Width: 23 ft Main Spans: 2 |
1935 By: Unknown | The 1950s railings cantilevered out on this bridge conceal a two-span 1930s arch bridge below. | 
|
235th Avenue Bridge
Iowa Bridge Number 347780 |
| 235th Avenue Over 10 Mile Creek | Rural: Winneshiek County, Iowa | Metal 5 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 60 ft Main Span Length: 60 ft Roadway Width: 15.4 ft Main Spans: 1 |
By: Unknown | This bridge has good integrity and is an unusual example of its type. | 
|
24th Avenue Railroad Overpass
|
| Railroad (Coopersville and Marne Railway) Over 24th Avenue | Rural: Ottawa County, Michigan | Metal Deck Girder, Fixed |
Total Length: 51.8 ft Main Span Length: 40 ft Main Spans: 1 |
1958 By: Gene Fewell and Michigan State Highway Department | This bridge is a later but unaltered example of a MSHD designed grade separation. | 
|
24th Street Railroad Overpass
|
| Railroad (Canadian National) Over 24th Street | Port Huron: St. Clair County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 59.7 ft Main Span Length: 29 ft Main Spans: 2 |
1925 By: Unknown | An old Grand Trunk Western Railroad overpass | 
|
265th Street Bridge
Iowa Bridge Number 347840 |
| 265th Street Over 10 Mile Creek | Rural: Winneshiek County, Iowa | Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 32.2 ft Main Span Length: 32.2 ft Roadway Width: 16.1 ft Main Spans: 1 |
By: Unknown | A very short example of a once-common bridge type. | 
| ! |
27 Mile Road Bridge
|
 | 27 Mile Road Over North Branch Clinton River | Rural: Macomb County, Michigan | Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 58.7 ft Main Span Length: 57.7 ft Roadway Width: 13.5 ft Main Spans: 1 |
1910 By: Unknown | A nice classic Pratt pony truss that is rusting away. | 
| X |
27 Mile Road Tupper Brook Bridge
|
 | 27 Mile Road Over Tupper Brook | Rural: Macomb County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 24 ft Main Span Length: 22 ft Roadway Width: 11.8 ft Main Spans: 1 |
1921 By: Unknown | A forgotten beam bridge with lattice railing. | 
| X |
28 Mile Road Bridge
|
| 28 Mile Road Over North Branch Clinton River | Rural: Macomb County, Michigan | Metal 5 Panel Rivet-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 65 ft Main Span Length: 63 ft Roadway Width: 16.4 ft Main Spans: 1 |
1928 By: Unknown | A strange, simply designed pony truss in very bad condition. | 
|
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. | 
|
28th Street CSX Railroad Overpass
|
| Railroad (CSX) Over 28th Street (M-11) | Rural: Kent County, Michigan | Metal Deck Girder, Fixed |
Total Length: 176 ft Main Span Length: 79.7 ft Main Spans: 3 |
1939 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin and Michigan State Highway Department | A fairly long and heavilly skewed example of a standard trunk line grade separation. | 
|
28th Street Railroad Overpass
|
| Railroad (Conrail) Over 28th Street (M-11) | Grand Rapids: Kent County, Michigan | Metal Through Girder, Fixed |
Total Length: 113 ft Main Span Length: 113 ft Main Spans: 1 |
1964 By: Unknown | This large through plate girder span had a city design and welcome message painted on it. | 
|
28th Street Railroad Overpass
|
| 28th Street (M-11) Over Railroad (Norfolk Southern) | Wyoming: | Metal Stringer (Multi-Beam), Fixed |
Total Length: 170 ft Main Span Length: 60 ft Roadway Width: 63 ft Main Spans: 3 |
1937 By: L. W. Lamb Company of Jackson, Michigan | An example of a Michigan overpass with riveted steel bents, this bridge was widened. | 
| ! |
29 Mile Road Bridge
|
| 29 Mile Road Over Devils Creek | Rural: Menominee County, Michigan | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 26 ft Main Span Length: 24 ft Roadway Width: 16 ft Main Spans: 1 |
1930 By: Unknown | This arch bridge may be small, but it is beautiful and has excellent historic integrity. | 
|
2nd Avenue Bridge
|
| 2nd Avenue Over Thunder Bay River | Alpena: Alpena County, Michigan | Metal Through Girder, Movable: Bascule and Approach Spans: Metal Stringer (Multi-Beam), |
Total Length: 261.8 ft Main Span Length: 127 ft Roadway Width: 40 ft Main Spans: 1 |
1939 By: W. J. Storen Company | This noteworthy bascule bridge won an award for its beauty when constructed. | 
|
2nd Level Canal Railroad Bridge
|
| Railroad (Amtrak) Over 2nd Level Canal and Lyman Street and Canal Street (MA-116) | Holyoke: Hampden County, Massachusetts | Metal 12 Panel Rivet-Connected Baltimore Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 1 | 1928 By: Boston Bridge Works of Boston, Massachusetts | This bridge crosses roads and a canal with different spans types. | 
|
2nd Street Bridge
|
| 2nd Street (Bloomfield Avenue) Over Little Buffalo Creek | Newport: Perry County, Pennsylvania | Stone Segmental Deck Arch, Fixed |
Total Length: 40 ft Main Span Length: 40 ft Roadway Width: 22 ft Main Spans: 1 |
By: Unknown | This attractive stone arch contributes to a historic district. | 
|
2nd Street Bridge
South Side Bridge |
| 2nd Street Over Kalamazoo River | Allegan: Allegan County, Michigan | Metal 12 Panel Pin-Connected Whipple Through Truss, Fixed |
Total Length: 229 ft Main Span Length: 200 ft Roadway Width: 16 ft Main Spans: 1 |
1886 By: King Bridge Company of Cleveland, Ohio | A beautiful through truss forms the centerpiece for this town and was built by the prominent King Bridge Company. | 
|
2nd Street Bridge
|
| 2nd Street Over Swartz Creek | Flint: Genesee County, Michigan | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 75.8 ft Main Span Length: 70 ft Roadway Width: 32.2 ft Main Spans: 1 |
1918 By: Price Brothers Company of Lansing, Michigan | This is the last of Flint's three largest downtown area arch bridges, and is in poor condition. | 
| ! |
2nd Street Bridge North
|
| 2nd Street Over Gun River | Rural: Allegan County, Michigan | Concrete 50 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 50 ft Main Span Length: 48 ft Roadway Width: 22 ft Main Spans: 1 |
1926 By: Unknown and Michigan State Highway Department | This bridge is one of two beautiful concrete camelback bridges only a short distance from each other. | 
| ! |
2nd Street Bridge South
|
| 2nd Street Over Gun River | Hooper (Rural): Allegan County, Michigan | Concrete 50 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 50 ft Main Span Length: 48 ft Roadway Width: 22 ft Main Spans: 1 |
1926 By: Yost Brothers of Decatur, Indiana and Michigan State Highway Department | This bridge was both rare as a good example of a small camelback bridge, and also as a Covert Act bridge. | 
|
2nd Street Railroad Overpass
|
| Railroad (Amtrak, Norfolk Southern) Over 2nd Street | Niles: Berrien County, Michigan | Stone Semicircular Deck Arch, Fixed | Main Spans: 1 | 1891 By: Unknown | A nice stone arch bridge is located near the large railroad deck truss in Niles. | 
| ! |
3 Mile Road Bridge
|
| 3 Mile Road Over North Branch Chippewa River | Rural: Osceola County, Michigan | Concrete Through Girder, Fixed |
Total Length: 34.8 ft Main Span Length: 33.8 ft Roadway Width: 21 ft Main Spans: 1 |
1920 By: Unknown and Michigan State Highway Department | This bridge appears to be the only bridge in the entire county with any heritage value whatsoever. | 
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3 Mile Road Railroad Overpass
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| Railroad (Coopersville and Marne Railway) Over 3 Mile Road | Walker: Kent County, Michigan | Metal Deck Girder, Fixed |
Total Length: 59.7 ft Main Span Length: 59.7 ft Main Spans: 1 |
1961 By: Owen-Ames-Kimball Company and Michigan State Highway Department | A late example of a Michigan State Highway Department grade separation. | 
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30 Mile Road Bridge
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| 30 Mile Road Over Deer Creek | Rural: Macomb County, Michigan | Metal Stringer (Multi-Beam), Fixed | Main Spans: 1 | By: Unknown | A wooden-decked beam bridge on stone abutments. | 
| X |
30 Mile Road Bridge Trio
|
| 30 Mile Road Over North Branch Clinton River | Rural: Macomb County, Michigan | Metal Pin-Connected Pratt Pony Truss, Fixed |
Total Length: 54 ft Main Span Length: 49 ft Roadway Width: 18 ft Main Spans: 1 |
1920 By: Unknown | Two of the three bridges here have collapsed, including a small pony truss, leaving parts behind to investigate. | 
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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. | 
|
30th Street Bridge
Iowa Bridge Number 183540 |
| 30th Street Over Bigalks Creek (Nichols Creek) | Rural: Howard County, Iowa | Metal 5 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed |
Total Length: 43 ft Main Span Length: 40 ft Roadway Width: 17.7 ft Main Spans: 1 |
1925 By: Unknown | A small riveted truss bridge adds beauty to the roadway it serves. | 
| ! |
30th Street Little Rabbit River Bridge
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| 30th Street Over Little Rabbit River | Rural: Allegan County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 60 ft Main Span Length: 60 ft Roadway Width: 24 ft Main Spans: 1 |
1947 By: Carl Goodwin and Sons of Allegan, Michigan | A small steel beam bridge with Michigan's attractive R4 railings. | 
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30th Street Rabbit River Bridge
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| 30th Street Over Rabbit River | Rural: Allegan County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 80 ft Main Span Length: 40 ft Roadway Width: 24 ft Main Spans: 2 |
1947 By: Carl Goodwin and Sons of Allegan, Michigan | A typical mid-20th Century steel stringer bridge in Michigan that retains its original railings. | 
|
310th Avenue Bridge
Iowa Bridge Number 349060 |
| 310th Avenue Over Minor Creek | Rural: Winneshiek County, Iowa | Metal 4 Panel Rivet-Connected Double-Intersection Warren Pony Truss, Fixed |
Total Length: 60 ft Main Span Length: 60 ft Roadway Width: 15.4 ft Main Spans: 1 |
1910 By: Unknown | A small scale riveted truss bridge that is unlike most other riveted truss bridges in the county. | 
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31st Street Bridge
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| 31st Street (PA-2122) Over Allegheny River, Railroad, and Local Streets | Pittsburgh: Allegheny County, Pennsylvania | Metal Three-Hinged Solid Ribbed Deck Arch, Fixed and Approach Spans: Metal Continuous Girder, Fixed |
Total Length: 2681 ft Main Span Length: 380 ft Roadway Width: 28 ft Main Spans: 3 |
1928 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania and Allegheny County Department of Public Works | This landmark arch bridge is one of the beautiful historic bridges in Pittsburgh and was extensively rehabilitated. | 
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31st Street Railroad Overpass East
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| Railroad (Various) Over 31st Street Boulevard | Chicago: Cook County, Illinois | Metal Through Girder, Fixed | Main Spans: 2 | By: Unknown | One of two railroad overpasses crossing this boulevard that have aesthetic details. | 
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31st Street Railroad Overpass West
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| Railroad (Chicago and Western Indiana) Over 31st Street Boulevard | Chicago: Cook County, Illinois | Metal Stringer (Multi-Beam), Fixed | Main Spans: 4 | By: Unknown | This is one of two similar beautifully designed grade separations to carry a railroad over a Chicago boulevard. | 
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32nd Street Bridge
|
| 32nd Street Over Broadmoor Avenue | Kentwood: Kent County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 172 ft Main Span Length: 56.8 ft Roadway Width: 31.8 ft Main Spans: 1 |
1948 By: Unknown | This relatively old highway over highway overpass has unusual railings and is unaltered. | 
| ! |
35th Street Pedestrian Bridge
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| Pedestrian Walkway Over Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Through Truss, Fixed | Main Spans: 4 | By: Unknown | One of two riveted pedestrian overpass structures in the area. | 
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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. | 
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38th Street Bridge
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| 38th Street (Scott Road) Over I-94 | Rural: Kalamazoo County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 192 ft Main Span Length: 49 ft Roadway Width: 26 ft Main Spans: 4 |
1951 By: Unknown and Michigan State Highway Department | One of the oldest expressway bridges in Michigan that retains integrity. | 
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390th Street Bridge
Iowa Bridge Number 171030 |
| 390th Street Over Squaw Creek | Rural: Hamilton County, Iowa | Concrete T-Beam, Fixed |
Total Length: 65 ft Main Span Length: 30 ft Roadway Width: 18.4 ft Main Spans: 2 |
1917 By: Unknown | A good representative example of a standard Iowa T-beam bridge. | 
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3rd Street Bridge
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| 3rd Street (PA-3035) Over East Branch White Clay Creek | Avondale: Chester County, Pennsylvania | Stone Segmental Deck Arch, Fixed |
Total Length: 40 ft Main Span Length: 29 ft Roadway Width: 18 ft Main Spans: 2 |
1912 By: D. E. O'Connell and Sons and Nathan R. Rambo | This small stone arch bridge has two spans of different size. | 
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3rd Street Bridge
Newport Pennsylvania Railroad Bridge |
| Railroad (Pennsylvania Railroad) Over Little Buffalo Creek | Newport: Perry County, Pennsylvania | Stone Semicircular Deck Arch, Fixed | Main Spans: 3 | By: Unknown | One of three attractive stone arch bridges over this creek in Newport. | 
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3rd Street Bridge
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| 3rd Street Over Thames River | Chatham: Chatham-Kent Region, Ontario | Metal Through Girder, Movable: Bascule |
Total Length: 308.4 ft Main Span Length: 111.5 ft Roadway Width: 37.7 ft Main Spans: 1 |
1962 By: Hamilton Bridge Company of Hamilton, Ontario and Hazelet and Erdal of Chicago, Illinois | This is the newer and larger of two movable bridges in Chatham. | 
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4 3/4 Mile Road Bridge
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| 4 3/4 Mile Road Over Pine River | Rural: Midland County, Michigan | Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 120 ft Main Span Length: 116 ft Roadway Width: 15 ft Main Spans: 1 |
1903 By: Tunnel City Bridge and Iron Works of Port Huron, MI | The only known bridge built by the Tunnel City Bridge and Iron Works was relocated to a private subdivision. | 
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42nd Street Bridge
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| 42nd Street Over Railroad (Amtrak) | Philadelphia: Philadelphia County, Pennsylvania | Metal Solid Ribbed Through Arch, Fixed and Approach Spans: Concrete Continuous Deck Girder, Fixed |
Total Length: 308 ft Main Span Length: 262 ft Roadway Width: 30.8 ft Main Spans: 1 |
1909 By: Owego Bridge Company of Owego, New York and Philadelphia Department of Public Works | The oldest metal through arch in Pennsylvania, this bridge was rehabilitated to a like-new condition. | 
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43rd Street Pedestrian Bridge
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| Pedestrian Walkway Over Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Through Truss, Fixed | Main Spans: 4 | By: Unknown | One of two riveted pedestrian overpass structures in the area. | 
| ! |
46th Street Bridge
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 | 46th Street Over Dowagiac Drain | Rural: Van Buren County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 44 ft Main Span Length: 28 ft Roadway Width: 17 ft Main Spans: 1 |
1930 By: Unknown | This bridge is noted for its unusual yet beautiful railings which enhance a simple bridge type. | 
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47th Street Bridge
|
 | Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 47th Street | Chicago: Cook County, Illinois | Concrete Slab, Fixed | Main Spans: 5 | By: Unknown | With an art deco style, this is one of of a series of railroad overpass bridges that display highly attractive architectual details. | 
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47th Street Bridge
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| Railroad (Chicago Belt Railroad) Over 47th Street | Chicago: Cook County, Illinois | Metal Stringer (Multi-Beam), Fixed and Approach Spans: Concrete Slab, Fixed |
Total Length: 80 ft Main Span Length: 48 ft Main Spans: 1 |
1946 By: Michael J. McDermott and Company and H. C. Taylor | This bridge stands out among many overpasses in Chicago for its ornate architectural detailing. | 
| ! |
48th Avenue Bridge
|
 | 48th Avenue Over Paw Paw River | Rural: Van Buren County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 91 ft Main Span Length: 45 ft Roadway Width: 22 ft Main Spans: 2 |
1930 By: Unknown and Michigan State Highway Department | This poorly maintained 1930s stringer bridge is one of Van Buren County's last historic bridges. | 
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4th Line Bridge
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| 4th Line Over KH-400 | Rural: Simcoe County, Ontario | Concrete Rigid-Frame, Fixed | Main Spans: 1 | By: Unknown | One of a decreasing number of attractive overpass bridges on Highway 400. | 
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4th Street Bridge
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| 4th Street (PA-34) Over Little Buffalo Creek | Newport: Perry County, Pennsylvania | Stone Segmental Deck Arch, Fixed |
Total Length: 70 ft Main Span Length: 23 ft Roadway Width: 21.7 ft Main Spans: 3 |
1929 By: Unknown | This attractive bridge is a traditionally composed stone arch bridge. | 
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4th Street Bridge
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| 4th Street Over Licking River | Covington and Newport: Kenton County, Kentucky and Campbell County, Kentucky | Metal 8 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed |
Total Length: 1001.7 ft Main Span Length: 250 ft Roadway Width: 36 ft Main Spans: 1 |
1936 By: Unknown | This is an impressive 1930s Warren camelback truss bridge with deck truss approach spans. | 
|
4th Street Bridge
Allen County Bridge 525 |
 | 4th Street Over Spy Run Creek | Fort Wayne: Allen County, Indiana | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 65 ft Main Span Length: 55 ft Roadway Width: 30 ft Main Spans: 1 |
1921 By: Herman Tapp Construction Company of Fort Wayne, Indiana and Asa Waters Grosvenor of Fort Wayne, Indiana | Designed by a noteworthy local engineer, this is a late but rare example of a Melan style arch bridge. | 
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51st Street Bridge
Hyde Park Boulevard Bridge |
| Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 51st Street (Hyde Park Boulevard) | Chicago: Cook County, Illinois | Concrete Slab, Fixed | Main Spans: 4 | By: Unknown | One of of a series of railroad overpass bridges that display highly attractive architectual details. | 
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53rd Street Bridge
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| Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 53rd Street | Chicago: Cook County, Illinois | Concrete Slab, Fixed | Main Spans: 4 | By: Unknown | One of of a series of railroad overpass bridges that display highly attractive architectual details. | 
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55th Street Bridge
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| Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 55th Street | Chicago: Cook County, Illinois | Concrete Slab, Fixed | Main Spans: 4 | By: Unknown | One of of a series of railroad overpass bridges that display highly attractive architectual details. | 
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56th Street Bridge
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| Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 56th Street | Chicago: Cook County, Illinois | Metal Stringer (Multi-Beam), Fixed | Main Spans: 4 | By: Unknown | One of of a series of railroad overpass bridges that display highly attractive architectual details. | 
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56th Street Bridge
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| 56th Street Over South Branch of Black River | Rural: Allegan County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 45 ft Main Span Length: 43 ft Roadway Width: 22 ft Main Spans: 1 |
1931 By: Unknown and Michigan State Highway Department | This attractive bridge is a small but good example of its kind. | 
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57th Street Bridge
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| Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 57th Street | Chicago: Cook County, Illinois | Metal Stringer (Multi-Beam), Fixed | Main Spans: 5 | By: Unknown | One of of a series of railroad overpass bridges that display attractive architectual details. | 
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580th Avenue Bridge
Iowa Bridge Number 217370 |
| 580th Avenue (10th Avenue) Over East Fork Des Moines River | Rural: Emmet County, Iowa and Kossuth County, Iowa | Concrete Marsh Rainbow Through Arch, Fixed |
Total Length: 102 ft Main Span Length: 100 ft Roadway Width: 17.4 ft Main Spans: 1 |
1916 By: Marsh Engineering Company of Des Moines, Iowa | A larger span example of a rare and significant Marsh rainbow arch bridge. | 
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59th Street Bridge
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| Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 59th Street and Westbound Midway Plaisance Drive | Chicago: Cook County, Illinois | Metal Stringer (Multi-Beam), Fixed | Main Spans: 6 | By: Unknown | With unusual railings on one side, this is one of the largest examples of a series of similar bridges that display highly attractive architectual details. | 
| X |
5th Avenue Bridge
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| 5th Avenue Over Guyandotte River | Huntington: Cabell County, West Virginia | Metal 10 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 485 ft Main Span Length: 200 ft Roadway Width: 20.7 ft Main Spans: 3 |
1926 By: Unknown | A beautiful multi-span multi-type massive-member truss with great potential is instead sentenced to the dumpster. | 
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5th Line Bridge
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| 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 Line Bridge
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| 5th Line (5th Concession Road) Over KH-400 | Rural: York Region, Ontario | Concrete Rigid-Frame, Fixed | Main Spans: 1 | 1950 By: Unknown | One of a decreasing number of attractive overpass bridges on Highway 400. | 
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5th Side Road Bridge
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| 5th Side Road (River Road) Over Drainage Canal | Rural: Simcoe County, Ontario | Metal Stringer (Multi-Beam), Fixed |
Total Length: 76.1 ft Main Span Length: 24.6 ft Roadway Width: 28 ft Main Spans: 3 |
1950 By: Unknown | This bridge is unusual for its use of a timber substructure. | 
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5th Street Bridge
Turners Falls Road Bridge |
| 5th Street (Turners Falls Road) Over Power Canal | Turners Falls: Franklin County, Massachusetts | Metal 8 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed |
Total Length: 136.2 ft Main Span Length: 134 ft Roadway Width: 26 ft Main Spans: 1 |
1954 By: Unknown | A tall pony truss provides an attractive and functional crossing. | 
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5th Street Bridge
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| 5th Street Over Thames River | Chatham: Chatham-Kent Region, Ontario | Metal Through Girder, Movable: Bascule (Rolling Lift) |
Total Length: 253.2 ft Main Span Length: 84.6 ft Roadway Width: 36 ft Main Spans: 1 |
1931 By: Canadian Bridge Company of Walkerville, Ontario and Scherzer Rolling Lift Bridge Company of Chicago, Illinois | This bridge is an extremely rare Ontario example of a bridge designed by the Scherzer Rolling Lift Company! | 
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5th Street Bridge
WV-14 Bridge |
| 5th Street (Division Street / WV-14) Over Little Kanawha River | Parkersburg: Wood County, West Virginia | Metal 12 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 905 ft Main Span Length: 350 ft Roadway Width: 40 ft Main Spans: 1 |
1935 By: Mortimer W. Smith | This stunning, massive truss bridge is significant as a Depression Public Works Adminstration project. | 
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5th Street Bridge
Jefferson Davis Memorial Bridge |
| 5th Street Over Savannah River | Augusta: Richmond County, Georgia and Aiken County, South Carolina | Metal Stringer (Multi-Beam), Fixed |
Total Length: 1201.8 ft Main Span Length: 119.8 ft Roadway Width: 21.7 ft Main Spans: 14 |
1931 By: Unknown | This attractive haunched stringer bridge retains excellent historic integrity. | 
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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. | 
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6 Mile Creek Road Bridge
West Haven Bridge |
| 6 Mile Creek Road Over Shiawassee River | Rural: Shiawassee County, Michigan | Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 132 ft Main Span Length: 128 ft Roadway Width: 16 ft Main Spans: 1 |
By: Morse Bridge Company of Youngstown, Ohio | With its beautiful and unusual portal bracing design, this bridge is among Michigan's finest bridges. | 
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6 Mile Road Hines Drive Bridge
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| 6 Mile Road Over Hines Drive | Northville: Wayne County, Michigan | Concrete Rigid-Frame, Fixed |
Total Length: 67 ft Main Span Length: 59.7 ft Roadway Width: 40 ft |
1933 By: Unknown | This is one of the older and more significant rigid-frame bridges crossing historic Hines Drive. | 
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6 Mile Road Middle River Rouge Bridge
|
| 6 Mile Road Over Middle River Rouge | Northville: Wayne County, Michigan | Concrete Rigid-Frame, Fixed |
Total Length: 59.7 ft Main Span Length: 53.8 ft Roadway Width: 40 ft |
1933 By: Unknown | An old example of a rigid-frame, this bridge was built at the same time as a nearby Hines Drive overpass. | 
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6 Mile Road Railroad Bridge
|
| Railroad (CSX) Over 6 Mile Road | Northville: Wayne County, Michigan | Metal Deck Girder, Fixed |
Total Length: 72 ft Main Span Length: 66 ft Main Spans: 1 |
By: Unknown | This railroad overpass has some attractive aesthetic details. | 
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60th Street Bridge
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| Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) Over 60th Street and Eastbound Midway Plaisance Drive | Chicago: Cook County, Illinois | Metal Stringer (Multi-Beam), Fixed | Main Spans: 6 | By: Unknown | One of the largest examples of a series of railroad overpass bridges that display highly attractive architectual details. | 
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66th Street Bridge
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| 66th Street Over Middle Branch Black River | Rural: Allegan County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 65 ft Main Span Length: 65 ft Roadway Width: 24 ft Main Spans: 1 |
1949 By: Carl Goodwin and Sons of Allegan, Michigan and Michigan State Highway Department | A representative example of mid 20th Century bridge technology in Michigan. | 
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6th Concession Dougall Parkway Bridge
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| 6th Concession Over Dougall Parkway | Windsor: Essex County, Ontario | Concrete Rigid-Frame, Fixed | Main Spans: 1 | 1956 By: Unknown | This attractive bridge is an excellent and locally rare example of a standard rigid-frame overpass in Ontario. | 
| X |
6th Street Bridge
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| 6th Street (PA-403, Penn Street) Over Two Lick Creek | Clymer: Indiana County, Pennsylvania | Metal 9 Panel Rivet-Connected Parker Pony Truss, Fixed |
Total Length: 122 ft Main Span Length: 118 ft Roadway Width: 32.2 ft Main Spans: 1 |
1934 By: M. Bennett and Sons and Pennsylvania State Highway Department | The only bridge with historic value in Clymer, this attractive bridge was sentenced to the scrapyard. | 
| 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 Bridge
Roberto Clemente Bridge |
 | 6th Street Over Allegheny River | Pittsburgh: Allegheny County, Pennsylvania | Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 995 ft Main Span Length: 430 ft Roadway Width: 38 ft Main Spans: 3 |
1928 By: American Bridge Company of New York, New York | Most suspension bridges use cable; this unusual bridge uses eye-bars. | 
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6th Street Bridge
|
 | 6th Street Over Grand River | Grand Rapids: Kent County, Michigan | Metal 10 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 544.7 ft Main Span Length: 154.1 ft Roadway Width: 18 ft Main Spans: 4 |
1886 By: Massillon Bridge Company of Massillon, Ohio | This is the longest Pratt through truss bridge in Michigan and its preservation is a model for proper bridge maintenance. | 
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6th Street Bridge
Power Street Bridge |
| 6th Street (Abandoned Power Street Alignment) Over Power Canal | Turners Falls: Franklin County, Massachusetts | Metal 8 Panel Rivet-Connected Double-Intersection Warren Through Truss, Fixed |
Total Length: 139 ft Main Span Length: 136 ft Roadway Width: 19.4 ft Main Spans: 1 |
1912 By: Eastern Bridge and Structural Company of Worcester, Massachusetts | This uncommon Double Warren truss was bypassed and abandoned. | 
|
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. | 
|
7 Mile Road Bridge
|
| 7 Mile Road Over Salt River | Sanford: Midland County, Michigan | Concrete 90 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 92 ft Main Span Length: 90 ft Roadway Width: 22 ft Main Spans: 1 |
1927 By: Unknown and Michigan State Highway Department | This concrete camelback has been beautifully preserved! | 
|
7 Mile Road Bridge
|
| 7 Mile Road Over 7 Mile Creek | Rural: Preble County, Ohio | Metal 10 Panel Pin-Connected Pegram Through Truss, Fixed |
Total Length: 155 ft Main Span Length: 146 ft Roadway Width: 15.7 ft Main Spans: 1 |
1906 By: Indiana Bridge Company of Muncie, Indiana | This nationally significant bridge has a unique Pegram truss configuration, yet is a bridge few know about. | 
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7th Street Bridge
|
| 7th Street (Erie Street) Over Black River | Port Huron: St. Clair County, Michigan | Metal Deck Girder, Movable: Bascule (Fixed Trunnion) and Approach Spans: Concrete Rigid-Frame, Fixed |
Total Length: 273 ft Main Span Length: 114 ft Roadway Width: 40 ft Main Spans: 1 |
1933 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin and J. A. L. Waddell | Take a tour of the inside of the only single leaf highway bascule bridge in Michigan, which was built in the 1930s. | 
|
7th Street Bridge
Andy Warhol Bridge |
 | 7th Street Over Allegheny River | Pittsburgh: Allegheny County, Pennsylvania | Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 1061 ft Main Span Length: 422 ft Roadway Width: 38 ft Main Spans: 1 |
1926 By: American Bridge Company of New York, New York | One of the Three Sisters bridges in Pittsburgh, this is the middle span. | 
| L |
8 Mile Road Left Turn Bridge
|
| 8 Mile Road (M-102) Left Turn Ramp Over Southfield Freeway (M-39) | Detroit: Wayne County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 132 ft Main Span Length: 66 ft Roadway Width: 24 ft Main Spans: 2 |
1964 By: Charles J. Rogers Construction Company and Michigan State Highway Department | This curved overpass is the most interesting and significant of the Southfield Freeway overpasses. | 
|
8 Mile Road Railroad Overpass
|
| Railroad (CSX) Over 8 Mile Road | Rural: Oakland County, Michigan and Washtenaw County, Michigan | Metal Deck Girder, Fixed |
Total Length: 88 ft Main Span Length: 62 ft Main Spans: 3 |
1928 By: American Bridge Company of New York, New York | This railroad overpass retains good historic integrity, although its substructure has deteriorated. | 
|
88th Avenue Bridge
|
 | 88th Avenue Over North Branch Pentwater River | Rural: Oceana County, Michigan | Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 49 ft Main Span Length: 48 ft Roadway Width: 14 ft Main Spans: 1 |
1912 By: Unknown | One of the only historic bridges of any kind in the area, this bridge is a good example of its type. | 
|
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. | 
|
95th Street Bridge
|
| 95th Street Bridge (US-12) Over Calumet River | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Pony Truss, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 343 ft Main Span Length: 239 ft Roadway Width: 62 ft Main Spans: 1 |
1958 By: Unknown | This is the bascule bridge the seen in the Blues Brothers movie. | 
|
96th Avenue Bridges
La Grange Road Bridges |
| US-45 (96th Avenue and La Grange Road) Over Calumet Sag Channel | Palos: Cook County, Illinois | Metal 8 Panel Bolt-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Continuous Stringer (Multi-Beam), Fixed |
Total Length: 445 ft Main Span Length: 289.7 ft Roadway Width: 30.8 ft Main Spans: 1 |
1967 By: Unknown and Alfred Benesch and Associates of Chicago, Illinois | This is a pair of identical truss bridges that carry a divided highway system. | 
|
9th Street Bridge
Rachel Carson Bridge |
| 9th Street Over Allegheny River | Pittsburgh: Allegheny County, Pennsylvania | Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 995 ft Main Span Length: 410 ft Roadway Width: 38 ft Main Spans: 1 |
1926 By: American Bridge Company of New York, New York | One of the famous Three Sisters bridges in Pittsburgh. | 
|
A-45 Rabbit River Bridge
|
| A-45 (11th Street) Over Rabbit River | Rural: Allegan County, Michigan | Concrete T-Beam, Fixed |
Total Length: 31.8 ft Main Span Length: 31.8 ft Roadway Width: 35 ft Main Spans: 1 |
1940 By: Unknown and Michigan State Highway Department | This is a small concrete bridge with a nice railing design. | 
| X |
A-45 Railroad Overpass
|
| A-45 (10th Street) Over Railroad (Norfolk Southern) | Rural: Allegan County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 150 ft Main Span Length: 53.8 ft Roadway Width: 44 ft Main Spans: 3 |
1939 By: John W. Hertel | This bridge showcases the horrific damage that salt does to steel bridges. | 
|
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. | 
|
Ackelson Bridge
|
| Maple Grove Road Over Raccoon Creek | Rural: Washington County, Pennsylvania | Metal 4 Panel Rivet-Connected Double-Intersection Warren Pony Truss, Fixed |
Total Length: 50 ft Main Span Length: 43 ft Roadway Width: 11.8 ft Main Spans: 1 |
1904 By: Nelson and Buchanan of Chambersburg, Pennsylvania | An interesting little pony truss adds beauty and compliments a scenic wooded region. | 
|
Ada Railroad Bridge
|
| Railroad (Grand Rapids Eastern) Over Thornapple River | Ada: Kent County, Michigan | Metal Deck Girder, Fixed | Main Spans: 3 | 1907 By: American Bridge Company of New York, New York | This plate girder bridge is the oldest bridge in Ada today. | 
|
Adaline Bridge
|
| CR-74 Over Fish Creek | Adaline (Rural): Marshall County, West Virginia | Metal 12 Panel Pin-Connected Whipple Through Truss, Fixed |
Total Length: 194 ft Main Span Length: 192 ft Roadway Width: 15.4 ft Main Spans: 1 |
1892 By: Wrought Iron Bridge Company of Canton, Ohio | A slightly skewed example of a significant truss configuration. | 
|
Adam Street Bridge
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| Adam Street Over Erie Canal | Lockport: Niagara County, New York | Metal Rivet-Connected Warren (No Verticals) Pony Truss, Movable: Vertical Lift and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 130 ft Main Span Length: 96.8 ft Roadway Width: 23.6 ft Main Spans: 1 |
1917 By: Lackawanna Bridge Company of Buffalo, New York | A historically intact example of an unusual type of vertical lift bridge. | 
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Adams Basin Bridge
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| Washington Road Over Erie Canal | Adams Basin: Monroe County, New York | Metal Rivet-Connected Warren (No Verticals) Pony Truss, Movable: Vertical Lift and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 144.7 ft Main Span Length: 118.8 ft Roadway Width: 18.4 ft Main Spans: 1 |
1912 By: Unknown | This Erie Canal lift bridge is in a less populated area than many of the other lift bridges on the canal. | 
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Adams Road Bridge
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| Adams Road Over Bush Creek | Rural: Gratiot County, Michigan | Concrete Through Girder, Fixed |
Total Length: 46 ft Main Span Length: 40 ft Roadway Width: 16 ft Main Spans: 1 |
1930 By: Unknown | The smaller of two nearby bridges that have an unusual, primitive design to them unlike other Michigan girders. | 
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Adams Street Bridge
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| Adams Street Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Deck Truss, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 250 ft Main Span Length: 199 ft Roadway Width: 38 ft Main Spans: 1 |
1927 By: Strobel Steel Construction Company of Chicago, Illinois and City of Chicago | One of the bascule bridges in Chicago that is a true deck truss with no trusses above the roadway. | 
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Adamsville Bridge
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 | Farmview Road (CR-71) (Gallipolis-Jackson Road) Over Raccoon Creek | Adamsville: Gallia County, Ohio | Concrete Cantilevered Through Girder, Fixed |
Total Length: 134 ft Main Span Length: 60 ft Roadway Width: 21 ft Main Spans: 3 |
1922 By: Unknown and Ohio State Highway Department | This incredible bridge may be the only example of its type in the country, and is one of the most significant historic bridges in Ohio. | 
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Adelaide Street Bridge
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| Adelaide Street Over Railroad (Abandoned Grand Trunk Western / Dequindre Cut Greenway) | Detroit: Wayne County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 85 ft Main Span Length: 32.8 ft Roadway Width: 30 ft Main Spans: 3 |
1929 By: Unknown | This bridge is one of several remaining historically significant overpasses that relate the industrial growth of Detroit during that time. | 
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Aden Road Bridge
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| Aden Road (VA-646) Over Railroad (Norfolk Southern) | Rural: Prince William County, Virginia | Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 78 ft Main Span Length: 78 ft Roadway Width: 16 ft Main Spans: 1 |
1882 By: Keystone Bridge Company of Pittsburgh, Pennsylvania | This early, short railroad truss is a rare example of a bridge built by the noteworthy Keystone Bridge Company. | 
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Adrian and Blissfield Railroad Bridge
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| Railroad (Adrian and Blissfield) Over River Raisin | Rural: Lenawee County, Michigan | Metal Pin-Connected Pratt Deck Truss, Fixed | Main Spans: 1 | By: Unknown | A very long deck truss buried in the woods. | 
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Adrian Railroad Bridge
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| Railroad Over South Branch River Raisin | Adrian: Lenawee County, Michigan | Stone Semicircular Deck Arch, Fixed |
Total Length: 75 ft Main Span Length: 22 ft Roadway Width: 25 ft Main Spans: 2 |
1867 By: Unknown | A large two-span stone arch bridge built in 1867. | 
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Aetnaville Bridge
Georgia Street Bridge |
| Georgia Street Over Ohio River Back Channel | Bridgeport and Wheeling: Belmont County, Ohio and Ohio County, West Virginia | Metal Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 1043 ft Main Span Length: 200 ft Roadway Width: 18 ft Main Spans: 4 |
1891 By: Unknown | One of two breathtaking multi-span truss bridges in Wheeling that are closed to traffic with talk of unthinkable demolition! | 
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Agate Falls Bridge
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| M-28 Over Middle Branch Ontonagon River | Rural: Ontonagon County, Michigan | Metal Two-Hinged Solid Ribbed Deck Arch, Fixed and Approach Spans: Concrete Slab, Fixed |
Total Length: 193 ft Main Span Length: 150 ft Roadway Width: 32.2 ft Main Spans: 1 |
1930 By: Meads and Anderson and Michigan State Highway Department | This magnificent arch bridge is the older and more ornate of two distinctive steel deck arch bridges in the Upper Penninsula. | 
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Agate Falls Railroad Bridge
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| Railroad (Bergland to Sidnaw Rail Trail / Trail 8) Over Middle Branch Ontonagon River | Rural: Ontonagon County, Michigan | Metal Deck Girder, Fixed | 1900 By: American Bridge Company of New York, New York | This impressive high level bridge is one of the earliest bridges built by the prolific American Bridge Company. | 
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Aiken Street Bridge
Ouellette Bridge |
 | Aiken Street Over Merrimack River | Lowell: Middlesex County, Massachusetts | Metal 11 Panel Pin-Connected Lenticular Through Truss, Fixed |
Total Length: 780 ft Main Span Length: 155 ft Roadway Width: 29 ft Main Spans: 5 |
1883 By: Berlin Iron Bridge Company of East Berlin, Connecticut | This incredible bridge is the longest lenticular truss bridge in the country, and the one with the most spans. | 
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Aitken Road Bridge
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| Aitken Road Over Black River | Rural: Sanilac County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 128 ft Main Span Length: 63 ft Roadway Width: 20 ft Main Spans: 2 |
1950 By: Unknown | This beam bridge, having had its railings replaced, was mainly noted for a highly unusual concrete pier. | 
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Akerley Road Bridge
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| Akerley Road (TR-883) Over Ashtabula Creek | Akerly (Rural): Erie County, Pennsylvania | Metal 3 Panel Rivet-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 40 ft Main Span Length: 40 ft Roadway Width: 15.7 ft Main Spans: 1 |
1930 By: Unknown | This small truss bridge has had columns added under the floorbeams, turning the bridge into a stringer. | 
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Albany Bridge
Delaware County Bridge 85 |
| CR-800 East (Strong Road) Over Mississinewa River | Albany: Delaware County, Indiana | Metal 9 Panel Pin-Connected Camelback Through Truss, Fixed |
Total Length: 176.5 ft Main Span Length: 170 ft Roadway Width: 15 ft Main Spans: 1 |
1905 By: Indiana Bridge Company of Muncie, Indiana | Although with some alteration, this bridge is an important example of a Camelback truss. | 
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Albion Main Street Bridge
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| Main Street (NY-98) Over Erie Canal | Albion: Orleans County, New York | Metal Rivet-Connected Warren (No Verticals) Pony Truss, Movable: Vertical Lift and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 132 ft Main Span Length: 115.8 ft Roadway Width: 18.7 ft Main Spans: 1 |
1914 By: Lackawanna Bridge Company of Buffalo, New York | One of two beautifully maintained lift bridges in Albion, and this bridge carries a major road with significant traffic. | 
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Albion Street Bridge
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| Albion Street Over Kalamazoo River | Albion: Calhoun County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 64 ft Main Span Length: 64 ft Roadway Width: 30 ft Main Spans: 1 |
1935 By: Unknown | This 1930s bridge is unusual for having railings on its abutments, and unusual detailing on the concrete facing on the beams. | 
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Albright Bridge
Iowa Bridge Number 171910 |
| Inkpaduta Avenue Over Boone River | Rural: Hamilton County, Iowa | Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 207 ft Main Span Length: 156 ft Roadway Width: 15.7 ft Main Spans: 1 |
1907 By: A. H. Austin of Webster City, Iowa | This bridge is among the longest pin-connected Pratt truss spans in the state. | 
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Aldrich Change Bridge
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| Park Path Over Park Land | Palmyra: Wayne County, New York | Metal 7 Panel Pin-Connected Parker Pony Truss, Fixed |
Total Length: 72.4 ft Main Span Length: 72.4 ft Roadway Width: 13.3 ft Main Spans: 1 |
1858 By: Mohawk and Hudson Iron Works of Waterford, New York (G.W. Eddy Foundry) | One of the two oldest metal bridges in New York, and also one of two original Erie Canal bridges. | 
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Alec Johnson Road Bridge
Johnson Road Bridge |
| Alec Johnson Road (Johnson Road) Over Whitefish River | Rural: Alger County, Michigan | Metal 3 Panel Rivet-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 42 ft Main Span Length: 40 ft Roadway Width: 16 ft Main Spans: 1 |
1910 By: Unknown | This is a small pony truss that retains excellent historic integrity. | 
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Alexander Hamilton Bridge
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| I-95 and US-1 Over Harlem River | New York: Bronx, New York and Manhattan, New York | Metal Solid Ribbed Deck Arch, Fixed |
Total Length: 2375 ft Main Span Length: 555 ft Roadway Width: 96 ft Main Spans: 1 |
1963 By: Unknown | The youngest of three arch bridges on this section of river. | 
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Alexandra Bridge
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 | TC-1 Over Fraser River | Rural: Thompson-Nicola District, British Columbia | Metal Two-Hinged Solid Ribbed Deck Arch, Fixed | Main Spans: 1 | 1964 By: General Construction Company and A. B. Sanderson and Company | A late, yet uncommon and unaltered example of a steel deck arch bridge. | 
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Alfred Street Bridge
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 | Alfred Street Over Railroad (Abandoned Grand Trunk Western / Dequindre Cut Greenway) | Detroit: Wayne County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 97.8 ft Main Span Length: 33.8 ft Roadway Width: 30 ft Main Spans: 3 |
1929 By: Unknown | This bridge is one of several remaining overpasses that relate the industrial growth of Detroit during that time. | 
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Allegan City Dam Bridge
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| 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. | 
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Allen Road Bridge
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| Allen Road Over Wolf Creek | Rural: Ingham County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 27 ft Main Span Length: 27 ft Roadway Width: 21.7 ft Main Spans: 1 |
1968 By: Unknown | This is one of several small steel stringer bridges in this county that feature an unusual metal railing. | 
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Allerton Road Bridge
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| Allerton Road Over East Branch Brandywine Creek | Rural: Chester County, Pennsylvania | Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 102 ft Main Span Length: 95 ft Roadway Width: 14.4 ft Main Spans: 1 |
1905 By: Unknown | This bridge is an interesting and early example of a riveted through truss. | 
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Alley Ford Bridge
Franklin County Bridge 48 |
| Pipe Creek Road Over Pipe Creek | Rural: Franklin County, Indiana | Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 105 ft Main Span Length: 100 ft Roadway Width: 18 ft Main Spans: 1 |
1927 By: Jones and Bunzendahl of Connersville, Indiana and John L. Stewart | This attractive, traditional bridge has been rehabilitated. | 
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Amasa Railroad Bridge
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| 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. | 
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Ambassador Bridge
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| I-75 Ramp / KH-3 Over Detroit River | Detroit and Windsor: Wayne County, Michigan and Essex County, Ontario | Metal Pony Truss Stiffening Wire Cable Suspension, Fixed |
Total Length: 7500 ft Main Span Length: 1850 ft Roadway Width: 55 ft Main Spans: 1 |
1929 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Modjeski and Masters | Serving as the centerpiece landmark for Detroit and Windsor, this privately-owned bridge was once the longest suspension bridge in the world. | 
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Amy Road Bridge
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| Amy Road Over Gravel Run | Rural: Crawford County, Pennsylvania | Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 43 ft Main Span Length: 43 ft Roadway Width: 16 ft Main Spans: 1 |
1895 By: Unknown | This small pony truss was a classic example of pin connected technology. | 
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Androscoggin Swinging Bridge
Brunswick-Topsham Swinging Bridge |
| Pedestrian Walkway Over Androscoggin River | Brunswick and Topsham: Cumberland County, Maine | Metal Wire Cable Suspension, Fixed |
Main Span Length: 332 ft Roadway Width: 6 ft Main Spans: 1 |
1892 By: John A. Roeblings Sons Company of Trenton, New Jersey | This suspension foot bridge has been altered many times since it was built. | 
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Angela Boulevard Bridge
Angela Avenue Bridge |
| Angela Boulevard Over St. Joseph River | South Bend: St. Joseph County, Indiana | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 257 ft Main Span Length: 79.7 ft Roadway Width: 39.7 ft Main Spans: 3 |
1940 By: H. L. Maddocks Company | This bridge is historically significant for documented association with Depression-era programs, the Public Works Administration. | 
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Ann Arbor Railroad Bridge
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| Railroad (Ann Arbor Railroad) Over Huron River and US-23 BL | Ann Arbor: Washtenaw County, Michigan | Metal Deck Girder, Fixed |
Total Length: 714 ft Main Span Length: 110 ft Roadway Width: 14 ft Main Spans: 7 |
1906 By: Unknown | This long bridge is a pattern book for plate girder bridges. | 
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Ann Arbor Road Bridge
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| Ann Arbor Road (Old M-14) Over Middle River Rouge | Livonia: Wayne County, Michigan | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 76.8 ft Main Span Length: 76.8 ft Roadway Width: 28 ft Main Spans: 1 |
1925 By: M. E. White Company of Chicago, Illinois | This is an old concrete arch bridge that was built as a Federal Aid bridge. | 
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Anthony Wayne Bridge
High Level Bridge |
| OH-2 and OH-5 Over Maumee River, Railroad, and Streets | Toledo: Lucas County, Ohio | Metal Through Plate Girder Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 3215 ft Main Span Length: 785 ft Roadway Width: 54 ft Main Spans: 3 |
1931 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Waddell and Harrington | This is a graceful landmark suspension bridge providing a beautiful centerpiece link for Toledo, and was built in 1931. | 
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Anthony's Bridge
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| 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. | 
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Antietam Avenue Bridge
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| Antietam Avenue Over Railroad (Abandoned Grand Trunk Western / Dequindre Cut Greenway) | Detroit: Wayne County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 88 ft Main Span Length: 41 ft Roadway Width: 30 ft Main Spans: 3 |
1930 By: Unknown | This bridge is one of several remaining overpasses that relate the industrial growth of Detroit during that time. | 
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Anton Street Bridge
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| 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. | 
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Apalachin Bridge
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| 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. | 
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Arch Street Bridge
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| Railroad (Abandoned) Over Arch Street | Northampton: Hampshire County, Massachusetts | Stone Semicircular Deck Arch, Fixed | Main Spans: 1 | By: Unknown | A traditional, attractive stone arch overpass. | 
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Ardmore Boulevard Bridge
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| US-30 (Ardmore Boulevard, Lincoln Highway) Over PA-2112, Electric Avenue | Chalfant: Allegheny County, Pennsylvania | Metal Deck Girder, Fixed |
Total Length: 410 ft Main Span Length: 62 ft Roadway Width: 30 ft Main Spans: 9 |
1932 By: Unknown and Pennsylvania State Highway Department | This was an unusual deck plate girder bridge with a heavy skew and built-up bents that were specially designed to accomodate the location. | 
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Arlene Drive Bridge
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| Arlene Drive Over I-75 | Flint: Genesee County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 187 ft Main Span Length: 56.8 ft Roadway Width: 26 ft Main Spans: 4 |
1957 By: K. G. Marks and Michigan State Highway Department | This bridge is among the older of Michigan's steel stringer overpasses that still retains original railings. | 
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Arlington Avenue Railroad Bridge
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| 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. | 
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Armour Saari Road Bridge
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| Armour Saari Road Over Whitefish River | Rural: Alger County, Michigan | Metal 4 Panel Bolt-Connected Double-Intersection Warren Pony Truss, Fixed |
Total Length: 65 ft Main Span Length: 63 ft Roadway Width: 16 ft Main Spans: 1 |
1906 By: Joliet Bridge and Iron Company of Joliet, Illinois | This bridge is a good example of work done by a company that was prolific in Michigan. | 
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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. | 
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Arroyo Road Bridge
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| Arroyo Road (TR-314) Over Clarion River | Rural: Elk County, Pennsylvania | Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 281 ft Main Span Length: 111 ft Roadway Width: 12.5 ft Main Spans: 2 |
1901 By: Nelson and Buchanan of Chambersburg, Pennsylvania | You might call this the sister bridge to the Shanley Road Bridge... it also suffered the same fate. | 
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Ash Road Bridge
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| Ash Road (IN-219) Over St. Joseph River | Mishawaka and Elkhart: St. Joseph County, Indiana and Elkhart County, Indiana | Concrete Open Spandrel Deck Arch, Fixed |
Total Length: 283.8 ft Main Span Length: 90 ft Roadway Width: 50 ft Main Spans: 3 |
1929 By: Rieth-Riley Construction Company of Goshen, Indiana | This picturesque arch bridge is noteworthy for its association with an important engineer. | 
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