Powder River Bridge Pony truss bridge over Powder River on CR 302 Open to traffic Built 1926
Powder River Bridge Through truss bridge over Powder River on CR 307 Closed to all traffic Built 1935
Sheep Creek Bridge Pony truss bridge over Sheep Creek on CR 303 Open to traffic Built 1912
Tongue River Bridge Lost through truss bridge over Tongue River on CR 054 in Miles City Replaced by a moden bridge on current site Built 1897 by W.S. Hewett & Co.