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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12th Street Over Ohio River in Coal Grove and Ashland: Boyd County, Kentucky and Lawrence County, Ohio, United States
Metal Cantilever Rivet-Connected Modified Warren (Subdivided) Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Warren (No Verticals) Through Truss, Fixed
Length: 2,278 ft.
Main Span: 739 ft.
Roadway: 22 ft.
Main Spans: 3
Built 1930
By: Unknown
and John Edwin Greiner (J. E. Greiner Company of Baltimore, Maryland and Chicago, Illinois)
Pedestrian Walkway Over Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) in Chicago: Cook County, Illinois, United States
Pedestrian Walkway Over Railroad (Metra Electric District, NICTD South Shore Line, Former Illinois Central) in Chicago: Cook County, Illinois, United States
Metal Rivet-Connected Pratt Through Truss, Fixed
Main Spans: 4
Built
By: Strobel Steel Construction Company of Chicago, Illinois
4th Street Over China Basin in San Francisco: San Francisco County, California, United States
Metal Rivet-Connected Warren Pony Truss, Movable: Single Leaf Bascule (Strauss Trunnion) and Approach Spans: Concrete T-Beam, Fixed
Length: 205 ft.
Main Span: 94 ft.
Roadway: 40 ft.
Main Spans: 1
Built 1917
By: Thomson Bridge Company of San Francisco, California
and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
6th Street Over Allegheny River in Pittsburgh: Allegheny County, Pennsylvania, United States
Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 995 ft.
Main Span: 430 ft.
Roadway: 38 ft.
Main Spans: 3
Built 1928
By: American Bridge Company of New York, New York
and Allegheny County Department of Public Works, Vernon R Covell and T. J. Wilkerson of Beaver Falls, Pennsylvania
7th Street Over Allegheny River in Pittsburgh: Allegheny County, Pennsylvania, United States
Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 1,061 ft.
Main Span: 422 ft.
Roadway: 38 ft.
Main Spans: 1
Built 1926
By: American Bridge Company of New York, New York
and Allegheny County Department of Public Works, Vernon R Covell and T. J. Wilkerson of Beaver Falls, Pennsylvania
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
9th Street Over Allegheny River in Pittsburgh: Allegheny County, Pennsylvania, United States
Metal Through Plate Girder Stiffening Eyebar Chain Suspension, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 995 ft.
Main Span: 410 ft.
Roadway: 38 ft.
Main Spans: 1
Built 1926
By: American Bridge Company of New York, New York
and Allegheny County Department of Public Works, Vernon R Covell and T. J. Wilkerson of Beaver Falls, Pennsylvania