Chicago River Bascule Bridge, Monroe Street, Spanning South Branch of ...
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
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... 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, Wabash Avenue, Spanning Chicago River at...
Significance: In 1930 the Wabash Bridge was awarded the American Institute of Steel Construction prize for "Most Beautiful." Survey number: HAER IL-48 Building/structure dates: 1930 Initial Construction
Chicago River Bascule Bridge, Wells Street, Spanning South Branch Chic...
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, 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
Chicago River Bascule Bridge, Grand Avenue, Spanning North Branch Chic...
Significance: The Grand Avenue Bridge represents the "second generation" of the Chicago bascule bridge with improvements executed in the design of the counterweights, a new rack-and-pinion assembly (namely, the... More
Chicago River Bascule Bridge, Clarke Street, Spanning Chicago River at...
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
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Chicago River Bascule Bridge, Wabash Avenue, Spanning Chicago River at...
Significance: In 1930 the Wabash Bridge was awarded the American Institute of Steel Construction prize for "Most Beautiful." Survey number: HAER IL-48 Building/structure dates: 1930 Initial Construction
Chicago River Bascule Bridge, Outer Drive, Spanning Chicago River at O...
Significance: At the time of its completion in 1937, the Outer Drive Bridge was the longest and widest bascule bridge in the world. Survey number: HAER IL-54 Building/structure dates: 1929 Initial Constructio... More
Chicago River Bascule Bridge, Grand Avenue, Spanning North Branch Chic...
Significance: The Grand Avenue Bridge represents the "second generation" of the Chicago bascule bridge with improvements executed in the design of the counterweights, a new rack-and-pinion assembly (namely, the... More
Chicago River Bascule Bridge, Michigan Avenue, 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 River Bascule Bridge, Michigan Avenue, 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 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
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More
Chicago River Bascule Bridge, Kinzie Street, Spanning North Branch Chi...
Significance: This single-leaf bascule bridge represents the transition between the early Chicago-type bascule bridge, first employed in the West Cortland Street Bridge (see HAER No. IL-138), and subsequent imp... 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, Wabash Avenue, Spanning Chicago River at...
Significance: In 1930 the Wabash Bridge was awarded the American Institute of Steel Construction prize for "Most Beautiful." Survey number: HAER IL-48 Building/structure dates: 1930 Initial Construction
Jones Beach State Parkway Channel Bascule Bridge MP-3, Route 908 E, sp...
Significance: This bridge is one of the original Meadowbrook State Parkway bridges. Survey number: HAER NY-178 Building/structure dates: 1934 Initial Construction
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
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More
Pennsylvania Railroad, "Eight-track" Bascule Bridge, Spanning Sanitary...
Significance: The design and history of these four parallel, double-track, double-leaf bridges is the most unusual of the bridges built in the Heritage Corridor. Survey number: HAER IL-99 Building/structure d... More
Pennsylvania Railroad, "Eight-track" Bascule Bridge, Spanning Sanitary...
Significance: The design and history of these four parallel, double-track, double-leaf bridges is the most unusual of the bridges built in the Heritage Corridor. Survey number: HAER IL-99 Building/structure d... More
Chicago River Bascule Bridge, Outer Drive, Spanning Chicago River at O...
Significance: At the time of its completion in 1937, the Outer Drive Bridge was the longest and widest bascule bridge in the world. Survey number: HAER IL-54 Building/structure dates: 1929 Initial Constructio... 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
Chicago River Bascule Bridge, Jackson Boulevard, Chicago, Cook County,...
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 Bridge, Michigan Avenue, 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 River Bascule Bridge, Michigan Avenue, 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 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
Chicago River Bascule Bridge, Monroe Street, Spanning South Branch of ...
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
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... 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, Clarke Street, Spanning Chicago River at...
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, Clarke Street, Spanning Chicago River at...
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, Michigan Avenue, 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 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 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
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, Ill., 12th St. Bascule Bridge]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4OTAvMDEvMDEvY2hpY2Fnby1pbGwtMTJ0aC1zdC1iYXNjdWxlLWJyaWRnZS0xMDI0LmpwZw%3D%3D/40/31/webp "[Chicago, Ill., 12th St. Bascule Bridge]")
[Chicago, Ill., 12th St. Bascule Bridge]
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Twelfth St. Bascule Bridge, Chicago
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... 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 River Bascule Bridge, Outer Drive, Spanning Chicago River at O...
Significance: At the time of its completion in 1937, the Outer Drive Bridge was the longest and widest bascule bridge in the world. Survey number: HAER IL-54 Building/structure dates: 1929 Initial Constructio... More
Chicago River Bascule Bridge, Clarke Street, Spanning Chicago River at...
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, Jackson Boulevard, Chicago, Cook County,...
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 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 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
Chicago River Bascule Bridge, Monroe Street, Spanning South Branch of ...
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
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More
Chicago River Bascule Bridge, Kinzie Street, Spanning North Branch Chi...
Significance: This single-leaf bascule bridge represents the transition between the early Chicago-type bascule bridge, first employed in the West Cortland Street Bridge (see HAER No. IL-138), and subsequent imp... 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, Wabash Avenue, Spanning Chicago River at...
Significance: In 1930 the Wabash Bridge was awarded the American Institute of Steel Construction prize for "Most Beautiful." Survey number: HAER IL-48 Building/structure dates: 1930 Initial Construction
Chicago River Bascule Bridge, Wabash Avenue, Spanning Chicago River at...
Significance: In 1930 the Wabash Bridge was awarded the American Institute of Steel Construction prize for "Most Beautiful." Survey number: HAER IL-48 Building/structure dates: 1930 Initial Construction
Chicago River Bascule Bridge, Wabash Avenue, Spanning Chicago River at...
Significance: In 1930 the Wabash Bridge was awarded the American Institute of Steel Construction prize for "Most Beautiful." Survey number: HAER IL-48 Building/structure dates: 1930 Initial Construction
Chicago River Bascule Bridge, Wabash Avenue, Spanning Chicago River at...
Significance: In 1930 the Wabash Bridge was awarded the American Institute of Steel Construction prize for "Most Beautiful." Survey number: HAER IL-48 Building/structure dates: 1930 Initial Construction
Jones Beach State Parkway Channel Bascule Bridge MP-3, Route 908 E, sp...
Significance: This bridge is one of the original Meadowbrook State Parkway bridges. Survey number: HAER NY-178 Building/structure dates: 1934 Initial Construction
Chicago River Bascule Bridge, Wells Street, Spanning South Branch Chic...
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, Grand Avenue, Spanning North Branch Chic...
Significance: The Grand Avenue Bridge represents the "second generation" of the Chicago bascule bridge with improvements executed in the design of the counterweights, a new rack-and-pinion assembly (namely, the... More
Chicago River Bascule Bridge, Jackson Boulevard, Chicago, Cook County,...
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 Bridge, Columbus Avenue, Spanning Chicago River ...
Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
Chicago River Bascule Bridge, Monroe Street, Spanning South Branch of ...
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
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...
Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More
Pennsylvania Railroad, "Eight-track" Bascule Bridge, Spanning Sanitary...
Significance: The design and history of these four parallel, double-track, double-leaf bridges is the most unusual of the bridges built in the Heritage Corridor. Survey number: HAER IL-99 Building/structure d... 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