Green Castle Road Bridge (Johnson County, Iowa)
Built 1922
Through truss bridge over Iowa River on Green Castle Road
Closed to all traffic

Iowa Avenue Bridge (Johnson County, Iowa)
Built 1916; rehabilitated 1985
Three-span arch bridge over Iowa River on Iowa Avenue in Iowa City
Open to traffic

Iowa River Bridge (Hardin County, Iowa)
Built 1900
Arch bridge over Iowa River on Main Street in Alden
Open to traffic

Iowa River Bridge (Hardin County, Iowa)
Built 1934
Arch bridge over Iowa River on Washington Street in Iowa Falls
Open to traffic

Iowa River Bridge (Hardin County, Iowa)
Built 1922; rehabilitated 1984
Arch bridge over Iowa River on River Street in Iowa Falls
Open to traffic

Iowa River Bridge (Marshall County, Iowa)
Built 1885
Through truss bridge over Iowa River on a local road
Closed to all traffic

Iowa River Bridge (Tama County, Iowa)
Built ca. 1890; rehabilitated 1938
Through truss bridge over Iowa River on a local road
Closed to all traffic

Iowa River Bridge (Tama County, Iowa)
Built 1941
Through truss bridge over Iowa River on a local road
Open to traffic

Iowa River Bridge (Tama County, Iowa)
Built 1914; rehabilitated 1972
Through truss bridge over Iowa River on a local road
Open to traffic

Iowa River Bridge (Tama County, Iowa)
Built 1896; rehabilitated 1930
Through truss bridge over Iowa River on a local road
Closed to all traffic

Iowa River Bridge (Tama County, Iowa)
Built 1938
Through truss bridge over Iowa River on a local road
Open to traffic

Iowa River Bridge (Wright County, Iowa)
Built ca. 1930
Pony truss bridge over Iowa River on a local road
Open to traffic

Iowa River Bridge (Wright County, Iowa)
Replaced 2001
Lost pony truss bridge over Iowa River on a local road
No longer exists

Iowa River IA 1 Bridge (Johnson County, Iowa)
Built 1915; rehabilitated 1986
Three-span arch bridge over Iowa River on North/Eastbound IA 1 in Iowa City
Open to traffic

Iowa River US 65 Bridge (Hardin County, Iowa)
Built 1928; rehabilitated 1967
Open-spandrel arch bridge over Iowa River on US 65 in Iowa Falls
Open to traffic