Special Bridge Conditions Legend:R - Former location of relocated bridge. ! - At risk for demolition or destruction.
X - Confirmed demolished or
collapsed. S
- Dismantled and/or in storage. L -
Severe loss of historic integrity due to alteration.
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7th Street (US-169) Northbound Lanes Over Kansas River (Kaw River) and Various Roads and Railroads in Kansas City: Wyandotte County, Kansas, United States
Metal Cantilever Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Pre-Stressed Concrete Continuous Stringer (Multi-Beam), Fixed
Length: 2,018 ft.
Main Span: 334 ft.
Roadway: 30 ft.
Main Spans: 3
Length: 2,057 ft.
Main Span: 225 ft.
Roadway: 60 ft.
Main Spans: 1
Built 1932
By: Hunkin-Conkey Construction Company of Cleveland, Ohio
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
Greenfield Road (Beechwood Boulevard) Over I-376, US-22, US-30 (Penn Lincoln Parkway / Parkway East) in Pittsburgh: Allegheny County, Pennsylvania, United States
Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 466 ft.
Main Span: 274 ft.
Roadway: 30 ft.
Main Spans: 1
Built 1922
By: E. M. Wichert Company of Pittsburgh, Pennsylvania
and Pittsburgh Department of Public Works
I-680 Southbound Over Carquinez Strait (Suisun Bay), Bayshore Road, and Railroad in Martinez and Benicia: Contra Costa County, California and Solano County, California, United States
Metal 10 Panel Bolt-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam),
Length: 6,215 ft.
Main Span: 528 ft.
Roadway: 60.7 ft.
Main Spans: 10
Built 1962
By: American Bridge Company of New York, New York
Big Bridge
Lockport Main Street Bridge, Bridge E-233
Main Street (NY-31), Saxton Street, Cottage Street, and Two Parking Lots Over Erie Canal (New York State Barge Canal) in Lockport: Niagara County, New York, United States
Metal Three-Hinged Solid Ribbed Deck Arch, Fixed
Length: 129 ft.
Main Span: 129 ft.
Roadway: 400 ft.
Main Spans: 1
Built 1914
By: Larkin and Sangster of Seneca Falls, New York
Memorial Avenue Over Boundary Channel, George Washington Parkway, and Washington Boulevard in Washington and Arlington: District of Columbia and Arlington County, Virginia, United States