Hump Creek Bridge
Pony truss bridge over Hump Creek on an IRR County Road, 2.5 mi. east and 2 mi. south of Watauga
Open to traffic
Built 1930

Missouri River Bridge
Through truss bridge over Missouri River (Oahe Lake) on US 12
Open to traffic
Built 1959; rehabilitated 1980

Mobridge Railroad Bridge
Through truss bridge over Missouri River (Oahe Lake) on the BNSF Railroad between Mobridge and Wakpala
Open to traffic