Auxiliary Counterweight Vertical Lift
View Exhibit mapA auxiliary counterweight vertical lift bridge has diagonal ropes extending from the center of the lift span to the tower that reaches down connecting to the counterweights alongside.
AMTK - Dock Bridge (1935) (Essex County, New Jersey)
Built 1935Warren through truss with all verticals bridges over Passaic River on Amtrak (formerly Pennsylvania RR)Open to traffic
CP - Mississippi River Bridge (Dakota County, Minnesota)
Built 1981Vertical Lift Bridge with a Warren through truss bridge span over Mississippi River/1st Street on RailroadOpen to rail traffic
CRCX - Harsimus Branch Lift (Hudson County, New Jersey)
Built 1930Pratt through truss bridge over Hackensack River on Conrail Passaic & Harsimus LineOpen to traffic
GRNW - Clearwater River Bridge (Nez Perce County, Idaho)
Built 1908 for NPRR 1971 swing span pinned closed, lift span drawbridge addedPratt through truss bridge over Clearwater River & Dike Bypass on Great Northwest Railroad Company (GRNW)Open
NJTR - Upper Hackensack Lift Bridge (Hudson County, New Jersey)
Built 1959 to replace earlier 1901 bridgePolygonal Warren through truss with all verticals bridge over Hackensack River on New Jersey TransitOpen to traffic
UP - Burbank - Hedges Bridge (Benton County, Washington)
Built 1923; rehabilitated 1930, 1952, vertical lift added 1977Vertical lift bridge over Columbia River on Union Pacific RailroadOpen to traffic
W&LE - Cuyahoga River Bridge (Cuyahoga County, Ohio)
Built 1956; abandoned in 2001Abandoned pennsylvania through truss bridge over Cuyahoga River on Wheeling & Lake Erie RRDerelict/abandoned Raised