Walworth County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
BNSF - Mobridge BridgeBNSF Railway over Missouri River (Oahe Lake)Open to trafficWarren through truss1961------
MILW - Missouri River Bridge (Old)Chicago, Milwaukee & St. Paul Railroad over Missouri RiverReplaced by a new bridgeThrough truss19071961425.01638.0
Swan Creek BridgeAbandoned County Road over Swan CreekClosed to all trafficKingpost pony truss1907--30.882.0
US12 Missouri River BridgeUS 12 over Missouri River (Oahe Lake)Open to trafficWarren through truss1959--449.85058.6
US12 Missouri River Bridge (Old)US 12 over Missouri RiverDemolishedPennsylvania through truss19241959----