ISHC Standard Series I

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Standard design plan for concrete through girders with span lengths of 24'-40'

140th Street Bridge (Hancock County, Iowa)
Built 1927
Concrete pony/through girder bridge over Boone River on 410 140th Street
Open to traffic

190th Street Bridge (Hancock County, Iowa)
Built 1925
Concrete pony/through girder bridge over Boone River on Fm 330 190th Street
Open to traffic

C Avenue Bridge (Grundy County, Iowa)
Built 1920; Replaced 2011
Lost Concrete pony/through girder bridge over Branch Beaver Creek on C Avenue
Replaced by a new bridge

Crane Avenue Bridge (Hancock County, Iowa)
Built 1925
Concrete pony/through girder bridge over Boone River on 1870 Crane Avenue
Open to traffic

Indiana Avenue Bridge (Lyon County, Iowa)
Built 1940
Concrete pony/through girder bridge over Rio Grande Creek on W Indiana Avenue in George
Open to traffic

Linn Creek Bridge (Marshall County, Iowa)
Built 1916
Concrete pony/through girder bridge over Linn Creek on Fairman Avenue
Open to traffic

Malone Creek Bridge (Buchanan County, Iowa)
Built 1925
Concrete pony/through girder bridge over Malone Creek on 195th Street
Open to traffic

Otter Creek Bridge (Fayette County, Iowa)
Built 1917
Concrete girder bridge over Otter Creek on 40th Street
Open to traffic

Unnamed Creek Bridge (Fayette County, Iowa)
Built 1916
Girder bridge over Unnamed Creek on 250th Street
Open to traffic