East Division Street Bridge, Spanning North Branch Canal at West Divis...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago Skyway Toll Bridge, Toll Plaza & Service Building, 8801 South ...
Significance: The Chicago Skyway toll plaza is an important eastern gateway to the city. The roadway sits atop an administrative and maintenance building, a uniquely compact arrangement dictated by its urban s... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
Pittsburgh, Fort Wayne & Chicago Railway, Calumet River Bridge, Spanni...
See also HAER IL-161 for additional documentation. Significance: The Pittsburgh, Fort Wayne & Chicago Railway's two parallel vertical-lift spans over the Calumet River (of which one survives), and two neighbori... More
Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...
Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More
West Division Street Bridge, Spanning North Branch of Chicago River at...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...
Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More
St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...
Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
North Halsted Street Canal Bridge, Spanning North Branch Canal at Nort...
Significance: Spanning the North Branch Canal at North Halsted Street in Chicago, the North Halsted Street Bridge is a double-leaf, fixed-trunnion bascule with a rigidly attached, below-deck counterweight. Com... More
North Halsted Street Canal Bridge, Spanning North Branch Canal at Nort...
Significance: Spanning the North Branch Canal at North Halsted Street in Chicago, the North Halsted Street Bridge is a double-leaf, fixed-trunnion bascule with a rigidly attached, below-deck counterweight. Com... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
Pittsburgh, Fort Wayne & Chicago Railway, Calumet River Bridge, Spanni...
See also HAER IL-161 for additional documentation. Significance: The Pittsburgh, Fort Wayne & Chicago Railway's two parallel vertical-lift spans over the Calumet River (of which one survives), and two neighbori... More
Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...
Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More
North Avenue Bridge, Spanning North Branch of Chicago River at West No...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
North Avenue Bridge, Spanning North Branch of Chicago River at West No...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Passerelle in Lincoln Park, Spanning North Lake Shore Drive (U.S. Rout...
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret... More
St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...
Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
South Bridge, Spanning Jackson Park Lagoon at South Lake Shore Drive (...
Significance: In 1894, the South Park Commission, administrator of Chicago's south side park system, retained the Boston-area landscape architecture firm of Olmsted, Olmsted and Eliot to refurbish Jackson Park,... More
North Halsted Street Canal Bridge, Spanning North Branch Canal at Nort...
Significance: Spanning the North Branch Canal at North Halsted Street in Chicago, the North Halsted Street Bridge is a double-leaf, fixed-trunnion bascule with a rigidly attached, below-deck counterweight. Com... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
Pittsburgh, Fort Wayne & Chicago Railway, Calumet River Bridge, Spanni...
See also HAER IL-161 for additional documentation. Significance: The Pittsburgh, Fort Wayne & Chicago Railway's two parallel vertical-lift spans over the Calumet River (of which one survives), and two neighbori... More
Pittsburgh, Fort Wayne & Chicago Railway, Calumet River Bridge, Spanni...
See also HAER IL-161 for additional documentation. Significance: The Pittsburgh, Fort Wayne & Chicago Railway's two parallel vertical-lift spans over the Calumet River (of which one survives), and two neighbori... More
Chicago & North Western Railway, Kinzie Street Bridge, Spanning North ...
Significance: The Kinzie Street Bridge occupies the site of Chicago's first railroad bridge (1852), and also the nation's first all-steel railroad bridge (1879). The line served Wells Street Station and indust... More
West Division Street Bridge, Spanning North Branch of Chicago River at...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Passerelle in Lincoln Park, Spanning North Lake Shore Drive (U.S. Rout...
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret... More
Passerelle in Lincoln Park, Spanning North Lake Shore Drive (U.S. Rout...
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret... More
St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...
Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More
East Division Street Bridge, Spanning North Branch Canal at West Divis...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago Skyway Toll Bridge, Toll Plaza & Service Building, 8801 South ...
Significance: The Chicago Skyway toll plaza is an important eastern gateway to the city. The roadway sits atop an administrative and maintenance building, a uniquely compact arrangement dictated by its urban s... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
North Avenue Bridge, Spanning North Branch of Chicago River at West No...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago River Bascule Bridge, Franklin Street, Spanning Chicago River ...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...
Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More
East Division Street Bridge, Spanning North Branch Canal at West Divis...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago Skyway Toll Bridge, Toll Plaza & Service Building, 8801 South ...
Significance: The Chicago Skyway toll plaza is an important eastern gateway to the city. The roadway sits atop an administrative and maintenance building, a uniquely compact arrangement dictated by its urban s... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
106th Street Bridge, Spanning Calumet River at East 106th Street, Chic...
Survey number: HAER IL-150 Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
North Avenue Bridge, Spanning North Branch of Chicago River at West No...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...
Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago Skyway Toll Bridge, Toll Plaza & Service Building, 8801 South ...
Significance: The Chicago Skyway toll plaza is an important eastern gateway to the city. The roadway sits atop an administrative and maintenance building, a uniquely compact arrangement dictated by its urban s... More
Elgin, Joliet & Eastern Railroad, Calumet River Bridge, Spanning Calum...
Survey number: HAER IL-149 Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More
West Division Street Bridge, Spanning North Branch of Chicago River at...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
West Division Street Bridge, Spanning North Branch of Chicago River at...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
North Avenue Bridge, Spanning North Branch of Chicago River at West No...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
North Avenue Bridge, Spanning North Branch of Chicago River at West No...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago River Bascule Bridge, Franklin Street, Spanning Chicago River ...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Passerelle in Lincoln Park, Spanning North Lake Shore Drive (U.S. Rout...
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago Skyway Toll Bridge, Toll Plaza & Service Building, 8801 South ...
Significance: The Chicago Skyway toll plaza is an important eastern gateway to the city. The roadway sits atop an administrative and maintenance building, a uniquely compact arrangement dictated by its urban s... More
Elgin, Joliet & Eastern Railroad, Calumet River Bridge, Spanning Calum...
Survey number: HAER IL-149 Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
South Bridge, Spanning Jackson Park Lagoon at South Lake Shore Drive (...
Significance: In 1894, the South Park Commission, administrator of Chicago's south side park system, retained the Boston-area landscape architecture firm of Olmsted, Olmsted and Eliot to refurbish Jackson Park,... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
North Avenue Bridge, Spanning North Branch of Chicago River at West No...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
North Avenue Bridge, Spanning North Branch of Chicago River at West No...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, Spanning North ...
Significance: The Milwaukee Road's Bridge No. Z-6 may be the only one of its kind ever built, defying the conventional categories of center-bearing and rim-bearing swing bridges. This ingenious design answers ... More
Chicago River Bascule Bridges, Spanning Chicago River & its north & so...
Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...
Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More
East Division Street Bridge, Spanning North Branch Canal at West Divis...
Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More
Chicago River Bascule Bridge, LaSalle Street, Spanning Chicago River a...
Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More
Chicago Skyway Toll Bridge, Toll Plaza & Service Building, 8801 South ...
Significance: The Chicago Skyway toll plaza is an important eastern gateway to the city. The roadway sits atop an administrative and maintenance building, a uniquely compact arrangement dictated by its urban s... More
North Halsted Street Canal Bridge, Spanning North Branch Canal at Nort...
Significance: Spanning the North Branch Canal at North Halsted Street in Chicago, the North Halsted Street Bridge is a double-leaf, fixed-trunnion bascule with a rigidly attached, below-deck counterweight. Com... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More