Boulder River Bridge Pony truss bridge over Boulder River on CR 210 Open to traffic Built 1933
Cottonwood Creek Bridge Pony truss bridge over Cottonwood Creek on CR 082 Open to traffic Built 1908; rehabilitated 2003
CR 029 Bridge Lost pony truss bridge over Shields River on CR 029 No longer exists Built 1908; replaced 2001
Pine Creek Bridge Lost through truss bridge over Yellowstone River on CR 203, just west of Pine Creek Replaced by new bridge Built 1910 by the Montana Bridge & Iron Co.; replaced 1990
Potter Creek Bridge Pony truss bridge over Potter Creek on CR 049 Open to traffic Built 1915
Shields River Bridge Pony truss bridge over Shields River on CR 007 Open to traffic Built 1923
Shields River Bridge Pony truss bridge over Shields River on CR 008 in Wilsall Open to traffic Built 1940; rehabilitated 1986
Shields River Bridge Pony truss bridge over Shields River on CR 061 Open to traffic Built 1920
Springdale Bridge Through truss bridge over Yellowstone River on Route 563 Unknown status Built 1908; south span replaced 1916; bypassed by new bridge in 1981
Yellowstone River Bridge Through truss bridge over Yellowstone River on CR 301 Open to traffic Built 1918
Yellowstone River Bridge Through truss bridge over Yellowstone River on CR 322 Open to traffic Built 1908
Yellowstone River Bridge Deck truss bridge over Yellowstone River on US 89 in Gardiner Open to traffic Built 1930; rehabilitated 1975
Yellowstone River Bridge Concrete arch bridge over Yellowstone River on MT 540 Open to traffic Built 1921; rehabilitated 1958