Pennsylvania Union Railroad
Reporting mark: URR
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Bettis Road Overpass (Allegheny County, Pennsylvania)
Built 1920; replaced 2010Lost through plate girder bridge over Union Railroad on Bettis RoadReplaced by a new bridge
GAP - Riverton Bridge (Allegheny County, Pennsylvania)
Built in 1891; converted into bike trail use in 2008Parker through truss bridge over Monongahela River on Pennsylvania Union Railroad (now Great Allegheny Passage)Open to pedestrians
Taxiway A Tunnel (Allegheny County, Pennsylvania)
Tunnel under Taxiway A on Union Railroad & Lebanon Road/PA-885Open to traffic
URR - Monongahela River Bridge (Allegheny County, Pennsylvania)
Built 1903, abandoned in the 1970s, slated to become part of the Montour Trail1903Abandoned Pennsylvania through truss bridge over Monogahela River on Former Union RailroadAbandoned
URR - PA 837 Overpass (Allegheny County, Pennsylvania)
Pennsylvania through truss bridge over Railroad (NS)/PA 837 on Railroad (URR)Open to traffic
URR - Port Perry Bridge (Allegheny County, Pennsylvania)
Built 1898Through truss bridge over Monongahela River on Union RailroadOpen to traffic
URR - Turtle Creek Bridge (Allegheny County, Pennsylvania)
Warren deck truss bridge over Turtle Creek on Railroad (URR)Open to traffic
URR/NS Overpass (Allegheny County, Pennsylvania)
Through truss bridge over Railroad (NS) on Railroad (URR)Open to traffic