Iowa State Highway Commission

of Ames, Iowa

120th Street Bridge (Muscatine County, Iowa)
Built 1937
Rigid frame bridge over an unnamed creek on 120th Street
Open to traffic

370th Street Bridge (Mills County, Iowa)
Built ca. 1940
Pony truss bridge over Nishnabotna River on 370th Street
Open to traffic

Ames Creek Bridge (Clinton County, Iowa)
Built 1912
Concrete girder bridge over Ames Creek on 300th Avenue
Open to traffic

Big Slough Creek Bridge (Muscatine County, Iowa)
Built 1937
Rigid frame bridge over Big Slough Creek on a local road
Open to traffic

Cedar River Bridge (Floyd County, Iowa)
Built 1936
Steel stringer bridge over Cedar River on River Road/T42, Floyd vicinity
Open to traffic

Coal Bank Hill Bridge (Hardin County, Iowa)
Built 1919
Parker through truss bridge
Privately Owned

Herrold Bridge (Polk County, Iowa)
Built 1921
Concrete deck girder bridge over Beaver Creek
Closed to all traffic

IA3 West Fork Des Moines River Bridge (Humboldt County, Iowa)
Built 1939
Plate girder bridge over West Fork Des Moines River on Iowa Highway 3
Replaced by a modern bridge

IA57 Overpass (Hardin County, Iowa)
Built 1932
Deck plate girder bridge over Illinois Central Railroad on US 20 in Ackley
Replaced by a new bridge

Keigley Branch Bridge (Story County, Iowa)
design, 1913
Concrete arch bridge over Keigley Branch on 550th Avenue
Open to traffic

Mad Creek Bridge (Muscatine County, Iowa)
Built 1924
Arch bridge over Mad Creek on Park Avenue W in Muscatine
Open to traffic

Matsell Bridge (Linn County, Iowa)
Built 1939
Plate girder bridge over Wapsipinicon River on Matsell Park Road
Open to traffic

North Skunk River Bridge (Mahaska County, Iowa)
Built 1920
Pinned Parker through truss bridge over North Skunk River on CR G13/110th Street
Open to traffic

Skunk River Bridge (Story County, Iowa)
Built 1876
Warren through truss bridge over Skunk River on a vacated road in Ames
Abandoned

Stange Road Bridge (Story County, Iowa)
Built 1915
Lost Bridge over Squaw Creek on Stange Road
Replaced by new bridge