Pittsburgh, Pennsylvania
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Armstrong Tunnel (Allegheny County, Pennsylvania)
Tunnel on S. Tenth Street between Forbes Avenue and 2nd Avenue
Birmingham Interchange (Allegheny County, Pennsylvania)
Four-level stack interchange in Pittsburgh, Pennsylvania
Ninth Street Bridge (Allegheny County, Pennsylvania)
Suspension bridge over Allegheny River on Ninth Street in Pittsburgh
Schenley Park (Allegheny County, Pennsylvania)
Pittsburgh city park
Seventh Street Bridge (Allegheny County, Pennsylvania)
Suspension bridge over Allegheny River on Seventh Street in Pittsburgh
Sixteenth Street Bridge (Allegheny County, Pennsylvania)
Steel through arch bridge over Allegheny River on Sixteenth Street in Pittsburgh
Sixth Street Bridge (Allegheny County, Pennsylvania)
Suspension bridge over Allegheny River on Sixth Street in Pittsburgh
Smithfield Street Bridge (Allegheny County, Pennsylvania)
Two-span lenticular through truss bridge over Monongahela River on Smithfield Street in Pittsburgh
South Tenth Street Bridge (Allegheny County, Pennsylvania)
Suspension bridge over the Monongahela River on South Tenth Street in Pittsburgh