Mobridge, South Dakota

BNSF - Mobridge Bridge (Walworth County, South Dakota)
Built 1961
Through truss bridge over Missouri River (Oahe Lake) on the BNSF Railway between Mobridge and Wakpala
Open to traffic

Grand River Bridge (Corson County, South Dakota)
Warren deck truss bridge over Grand River on State Route 1806
Open to traffic

MILW - Missouri River Bridge (Old) (Walworth County, South Dakota)
Built 1907; Replaced 1961
Lost Through truss bridge over Missouri River on Chicago, Milwaukee & St. Paul Railroad
Replaced by a new bridge

US12 Missouri River Bridge (Walworth County, South Dakota)
Built 1959; rehabilitated 1980
Through truss bridge over Missouri River (Oahe Lake) on US 12 at Mobridge
Open to traffic

US12 Missouri River Bridge (Old) (Walworth County, South Dakota)
Built 1924; Replaced 1959
Lost Pennsylvania through truss bridge over Missouri River on US 12
Demolished