Pittsburgh & Castle Shannon Railroad

Reporting mark: P&CS
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

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