Double Swing

Combination Bridge (Woodbury County, Iowa)
Built 1890-96; North Approach replaced 1907; Nebraska swing span electrified 1919; South approach replaced 1922; North Approach rebuilt 1929; Rails removed 1937; Iowa swing span removed 1957; Cantilevered roadways widened 1961-62; Replaced 1980
Lost Through truss bridge over Missouri River on Old US 20 in Sioux City
Replaced by new bridge

GT - Saginaw River Bridge (Bay County, Michigan)
Built 1913, Removed 19XX
Lost Pratt through truss double swing bridge over Saginaw River on Grand Trunk Railway
Removed

IC - East Omaha Swing Bridge (Douglas County, Nebraska)
Built 1893 by Phoenix Bridge Company, second swing span built in 1903 by American Bridge Co.
Through truss swing bridge over Missouri River on Canadian National Railway
Closed to all traffic

St. Louis Bay Bridge (St. Louis County, Minnesota)
Built 1908, Removed 1986
Lost Pratt through truss bridge over St. Louis Bay on Burlington Northern
Removed

UP - Rob Roy Bridge (Jefferson County, Arkansas)
Through truss bridge over the Arkansas River on the Union Pacific Railroad northeast of Pine Bluff
Open to railroad traffic