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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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
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
