IA 57
Beaver Creek Bridge (Butler County, Iowa)
Built 1926; rehabilitated 1957; Replaced 2003Girder bridge over Beaver Creek on US 20Replaced by a new bridge
IA175 Eldora Viaduct (Hardin County, Iowa)
Built 1913, Rehabilitated 1964, Replaced 1984Deck plate girder bridge over Iowa River on IA 175Replaced by a new bridge
IA57 Overpass (Hardin County, Iowa)
Built 1932, Removed April 2013Deck plate girder bridge over Illinois Central Railroad on IA57 / Old US 20 in AckleyReplaced by a new bridge