Helicoidal Skew Arch
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7th Street Improvement Arches (Ramsey County, Minnesota)
Built 1884; rail line abandoned prior to 1989Stone arch bridge over RCRRA on E. 7th Street in St. PaulOpen to traffic
Charlie Creek Bridge (Doniphan County, Kansas)
Skewed stone arch bridge over Charlie Creek on 190th RoadOpen to traffic
CSX - OH19 Overpass (Seneca County, Ohio)
Built 1900Stone arch bridge over OH 19 on Railroad (CSX)Open to traffic
NS - Askew Bridge (Berks County, Pennsylvania)
Built 1857Stone arch bridge over 6th Street on Philadelphia & Reading RailroadOpen to traffic
Skew Arch Bridge (Blair County, Pennsylvania)
Built 1832, Closed to traffic 1922, Restored in 1979Stone arch bridge over Ravine on Pedestrian PathwayOpen to pedestrians only
UP - Rockford Rail Crossing (Winnebago County, Illinois)
Built 1896Stone arch bridge over Future Park (Nee CB&Q) on Railroad (UP)Open to traffic
UP - South Street Arch (McHenry County, Illinois)
Built 1867, Widened 1897Stone arch bridge over South Street on Union Pacific RailroadOpen to traffic