Pittsburgh Railways Company

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

PAT - Fallowfield Trestle (Old) (Allegheny County, Pennsylvania)
Lost Deck plate girder bridge over Ravine and Dagmar Avenue on PAT Trolley
Replaced by a new bridge

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.

Penn Incline (Allegheny County, Pennsylvania)
Built 1883; Abandoned 1953; Dismantled 1956
Lost deck plate girder bridge over Pennsylvania Railroad on Railroad
Removed but not replaced; Talk of possibly reviving the incline

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 - First Hollow Trestle (Washington County, Pennsylvania)
Built 1902
Lost Bridge over Ravine on Charleroi Interurban Line
Removed but not replaced

PRCo - Glendenning Trestle (Washington County, Pennsylvania)
Built 1902
Lost Timber stringer bridge over Black Diamond Hollow Road on Charleroi Interurban Line
Removed but not replaced

PRCo - Glenwood Bridge (1894) (Allegheny County, Pennsylvania)
Built 1894; Closed 1966; Demolished 1969
Lost truss bridge over Monongahela River on Pittsburgh Railways Company
Closed 1966; Demolished 1969

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 - Second Hollow Trestle (Washington County, Pennsylvania)
Built 1902
Lost Deck plate girder bridge over Stream through a ravine on Charleroi Interurban Line
Removed but not replaced

PRCo - Spruce Run Viaduct (Allegheny County, Pennsylvania)
Lost Warren deck truss with alternating verticals bridge over Spruce Run on Pittsburgh Railways Co
Replaced by a new bridge

PRCo - Third Hollow Trestle (Washington County, Pennsylvania)
Built 1902
Lost Bridge over Stream through a ravine on Charleroi Interurban Line
Removed but not replaced

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

WLE - Castle Shannon Viaduct (Allegheny County, Pennsylvania)
Deck plate girder bridge over PAT Blue Line and Castle Shannon Blvd on W&LE RR
Open to traffic