Pittsburgh Railways

Reporting mark: PRCo
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Glenwood Bridge (Old) (Allegheny County, Pennsylvania)
Built 1894'; Replaced 1966
Lost Bridge over Monongahela River on Pittsburgh Railways & Road
Closed 1966, Demolished 1969

Mansfield Bridge (Allegheny County, Pennsylvania)
Built 1951; rehabilitated 1981
Cantilevered through truss bridge over the Monongahela River in Dravosburg
Open to traffic

PAT - Mount Washington Tunnel (Allegheny County, Pennsylvania)
Built 1902-4
Tunnel on Port Authority of Allegheny County Busway/Light Rail
Open to PAT traffic only.

PRCo - Finleyville Trestle (Washington County, Pennsylvania)
Removed c1953 when Charleroi line abandoned
Lost Pony/through plate girder bridge over B&O RR on Pittsburgh Railways (abandoned)
Removed but not replaced

PRCo - McKinley Park Viaduct (Allegheny County, Pennsylvania)
Built 1929;
Lost Pony/through plate girder bridge over Bausman Street on Pittsburgh Railways
Replaced by a new bridge

PRCo - Oak Viaduct (Allegheny County, Pennsylvania)
1928
Lost Warren pony truss bridge over Saw Mill Run, Saw Mill Run Boulevard, & Colerain Street on Pittsburgh Railways
Replaced by a new bridge

PRCo - Reflectorville Viaduct (Allegheny County, Pennsylvania)
Built sometime between 1872-1874
Lost Timber stringer bridge over Edgebrook Avenue on Pittsburgh Railways
Replaced by a new bridge

PRCo - Warrington Avenue Trestle (Allegheny County, Pennsylvania)
Built 1928; Replaced ?
Lost Pony/through plate girder bridge over Warrington Avenue on Pittsburgh Railways
Replaced by a new bridge

Smithfield Street Bridge (Allegheny County, Pennsylvania)
Built 1883 under the direction of engineer Gustav Lindenthal
Two-span lenticular through truss bridge over Monongahela River on Smithfield Street in Pittsburgh
Open to four lanes of traffic