Mission Street Over 21st Street in Pittsburgh: Allegheny County, Pennsylvania, United States
Metal Continuous Variable Depth Deck Girder, Fixed
Length: 394 ft.
Main Span: 160 ft.
Roadway: 22 ft.
Main Spans: 3
Built 1939
By: Booth and Flinn Company of Pittsburgh, Pennsylvania and Bethlehem Steel Company of Bethlehem, Pennsylvania
and Pittsburgh Department of Public Works
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.