Kendall Bridge[Map] Lost Deck truss bridge over Allegheny River, Service Plant Road, Railroad on Route 346 Replaced by a new bridge Built 1928; Demolished & Replaced 1974
Kinzua Bridge[Map · Street View] Deck girder bridge over Kinzua Creek on former Erie Railway at Kinzua Bridge State Park Remaining spans open to pedestrian traffic Built 1900, closed to traffic in 1959, mosly destroyed by a tornado on July 21, 2003, remaining spans rehabilitated and reopened in 2011 as the "Kinzua Sky Walk"
Kinzua Bridge (Original)[Map] Lost Deck truss bridge over Kinzua Creek on Erie Railroad Replaced by a new bridge Built 1882; Replaced 1900
Lower Portage Road Bridge[Map] Warren pony truss bridge over Skinner Creek on TR 408 (Lower Portage Road) Open to traffic Built 1920; rehabilitated 1990
Marvin Creek Bridge[Map] Wooden bridge over Marvin Creek on TR 323 Open to traffic Built 1938; rehabilitated 1988
Marvin Creek Bridge[Map] Lost concrete arch bridge over Marvin Creek on TR 362 Replaced by new bridge Built 1913; replaced 1993
Marvin Creek Bridge[Map] Warren pony truss bridge over Marvin Creek on Pedestrian Walkway Open to pedestrians only Rehabilitated for pedestrian use ca. 2014-2015