ISHC Standard Series G
Standard design series for timber pile trestles
100th Street Bridge (Story County, Iowa)
Built 1917Concrete deck girder bridge over Bear Creek on 100th StreetOpen to traffic
Elm Street Overpass (Scott County, Iowa)
Built 1937; rehabilitated 1984Timber stringer bridge over Railroad on Elm StreetClosed
Main Street Overpass (Marion County, Iowa)
Built 1940Timber stringer bridge over Railroad (UP) on Main StreetOpen to traffic
Unnamed Stream Bridge (Johnson County, Iowa)
Built 1925; rehabilitated 1978Timber stringer bridge over Unnamed Stream on Swan Lake Road NWReplaced by a new bridge