| 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 |
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. | 
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Adams Street Bridge
|
 | 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. | 
| ! |
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. | 
|
Canal Street Bridge
|
| Canal Street Over South Branch Chicago 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: 350 ft Main Span Length: 254 ft Roadway Width: 44 ft Main Spans: 1 |
1949 By: Mount Vernon Bridge Company of Mount Vernon, Ohio and City of Chicago | This trunnion bascule bridge was built by the Mount Vernon Bridge Company of Ohio. | 
|
Canal Street Railroad Bridge
Pennsylvania Railroad Bridge 458 |
| Railroad (Amtrak, Metra Heritage Corridor, and Metra SouthWest Service) Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal 10 Panel Rivet-Connected Parker Through Truss, Movable: Vertical Lift (Span Drive) |
Total Length: 387.8 ft Main Span Length: 272.8 ft Roadway Width: 19.5 ft Main Spans: 1 |
1915 By: Pennsylvania Steel Company of Steelton, Pennsylvania and Waddell and Harrington | The heaviest vertical lift span when built, with 195 foot high towers, this is the only vertical lift near downtown Chicago. | 
|
Cermak Road Bridge
22nd Street Bridge |
 | Cermak Road Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule (Rolling Lift) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 337 ft Main Span Length: 216 ft Roadway Width: 36 ft Main Spans: 1 |
1906 By: George W. Jackson of Chicago, Illinois and Scherzer Rolling Lift Bridge Company of Chicago, Illinois | This is the only Scherzer rolling lift on the streets of Chicago, and has been heavily reconstructed. | 
|
Congress Parkway Bridge
|
 | 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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Halsted Street South Branch Bridge
|
| Halsted Street Over South Branch Chicago 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: 316 ft Main Span Length: 224 ft Roadway Width: 90 ft Main Spans: 1 |
1934 By: Mount Vernon Bridge Company of Mount Vernon, Ohio and City of Chicago | This bridge is three trusses wide and still lifts for boats in the spring and fall seasons. | 
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Harrison Street Bridge
|
 | Harrison 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: 279 ft Main Span Length: 210 ft Roadway Width: 44 ft Main Spans: 1 |
1960 By: Unknown and City of Chicago | This is one of the later examples of the pony/deck truss combination bridges. | 
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Jackson Boulevard Bridge
|
 | Jackson Boulevard Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Rivet-Connected Pratt Deck Truss, Movable: Bascule (Strauss Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 273 ft Main Span Length: 202 ft Roadway Width: 37 ft Main Spans: 1 |
1915 By: Strobel Steel Construction Company of Chicago, Illinois and Strauss Bascule Bridge Company of Chicago, Illinois | A very old deck truss style bascule bridges in Chicago and associated directly with prominent engineer Joseph Strauss. | 
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Lake Street Bridge
|
 | 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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Loomis Street Bridge
|
 | Loomis Street Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Non-Historic, Movable: Bascule (Fixed Trunnion) |
Total Length: 457 ft Main Span Length: 213 ft Roadway Width: 48 ft Main Spans: 1 |
1974 By: Unknown | This non-historic bridge is listed only for comparitive purposes and for continuity of those using this website for a river tour. | 
|
Madison Street Bridge
Lyric Opera Bridge |
| Madison 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: 283.2 ft Main Span Length: 221 ft Roadway Width: 38 ft Main Spans: 1 |
1922 By: Ketler-Elliott Company of Chicago, Illinois and City of Chicago | The first bascule bridge in Chicago to raise the deck trusses above the deck slightly to act as guardrails. | 
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Monroe Street Bridge
|
| Monroe Street Over South Branch Chicago 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: 271 ft Main Span Length: 193 ft Roadway Width: 36 ft Main Spans: 1 |
1919 By: Ketler-Elliott Company of Chicago, Illinois and City of Chicago | This bridge shows the transition between the early pony truss design and the later design. | 
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Randolph Street Bridge
|
| Randolph Street Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Non-Historic, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 336.3 ft Main Span Length: 213 ft Roadway Width: 48 ft Main Spans: 1 |
1984 By: Unknown and City of Chicago | This non-historic bridge is listed only for comparitive purposes and for continuity of those using this website for a river tour. | 
|
Roosevelt Road Bridge
12th Street Bridge |
| Roosevelt Road 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: 257.6 ft Main Span Length: 204 ft Roadway Width: 71.9 ft Main Spans: 1 |
1928 By: Ketler-Elliott Company of Chicago, Illinois and City of Chicago | This deck truss is similar to Ohio Street Bridge and is noted for its unique and very beautiful bridgetender buildings. | 
| ! |
St. Charles Air Line Bridge
18th Street Railroad Bridge |
 | Railroad (Canadian National) Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Heel Trunnion) |
Total Length: 220 ft Main Span Length: 220 ft Main Spans: 1 |
1919 By: American Bridge Company of New York, New York and Strauss Bascule Bridge Company of Chicago, Illinois | This bridge was the longest bascule bridge in the world when built, was moved once, and shortened during the move. | 
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Van Buren Street Bridge
|
| Van Buren 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: 267 ft Main Span Length: 210.3 ft Roadway Width: 44 ft Main Spans: 1 |
1956 By: Overland Construction Company of Chicago, Illinois and City of Chicago | One of a number of remaining similarly-designed bascule bridges in Chicago. | 
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Washington Boulevard Bridge
|
| Washington Boulevard Over South Branch Chicago 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: 303.5 ft Main Span Length: 197 ft Roadway Width: 36 ft Main Spans: 1 |
1913 By: Unknown and City of Chicago | An impressive example of the early pony truss bascule design. | 
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