Steamboat Rock, Iowa

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IARR - Old Road Overpass (Hardin County, Iowa)
Abandoned 2012
Timber stringer bridge over Abandoned Road on Iowa River Rail Trail (Planned)
Abandoned

Iowa River Bridge (Hardin County, Iowa)
Built 1936; rehabilitated 1999
Steel stringer bridge over Iowa River on Main Street
Open to traffic

Iowa River Rail Trail - Steamboat Rock Bridge (Hardin County, Iowa)
Built 1926; Abandoned 2012, Converted to Trail Use 2017
Deck Girder bridge over Iowa River on Iowa River Rail Trail
Open to pedestrians only

MSTL - Filled In Road Overpass (Hardin County, Iowa)
Area below filled in sometime betwixt the 1930s and the 1950s aerial imagery
Lost Timber stringer bridge over Road on Railroad
Open to traffic, Filled in from below

Old IA118 Elk Creek Bridge (Hardin County, Iowa)
Built 1935
Steel stringer bridge over Elk Creek on Old IA 118
Open to traffic

Steamboat Rock Bridge (Hardin County, Iowa)
Built ?; Replaced 1935
Lost Bowstring through truss bridge over Iowa River on Road
Replaced by a new bridge