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Existed 1926-1931 with an Eastern terminus at Lincoln Park in Chicago, Illinois and a Western terminus at Council Bluffs, Iowa.
After 1931, the Iowa portion became US 6, and the portion from Rock Island, Illinois to Chicago remained US 32 from 1932-1934.
(Dallas County, Iowa)Built 1882 by the King Bridge Co.Two-span through truss bridge over North Raccoon River on River Street in AdelClosed to all traffic
(Scott County, Iowa)Built 1896, Rehabilitated 1983 & 1997Baltimore through truss bridge over Mississippi River on 2 lanes of traffic and 2 rail lines in DavenportOpen to traffic
Big Bear Creek Bridge
(Iowa County, Iowa)Built ca. 1920; rehabilitated 1955Through truss bridge over Big Bear Creek on 160th StreetDerelict/abandoned
(Jasper County, Iowa)Built 1898; rehabilitated 1975, demolished 2014Through truss bridge over North Skunk River on Ridge Road in KelloggDemolished.
Kent Park Culvert
(Johnson County, Iowa)Concrete culvert bridge over Tributary of Clear Creek on Kent Park RoadOpen to traffic
(Muscatine County, Iowa)Built 1885; Removed 1942Lost Pratt through truss bridge over Cedar River on River StreetRemoved
Ogden Avenue Viaduct
(Cook County, Illinois)Built 1932; closed to traffic March 24, 1992; demolished 1993Lost viaduct over Chicago River North Branch and city streets on Ogden AvenueNo longer exists
US 6 Cedar River Bridge (Old)
(Muscatine County, Iowa)Built 1930, Replaced 1972Lost Warren through truss bridge over Cedar River on US 6Replaced by a new bridge
US 6 North Skunk River Bridge
(Jasper County, Iowa)Built 1924; rehabilitated 1952Steel stringer bridge over North Skunk River on US 6Open to traffic