Sweet Grass County

Boulder River Bridge   [Map]
Pony truss bridge over Boulder River on CR 102
Open to traffic
Built 1931; rehabilitated 1991
Boulder River Bridge   [Map]
Pony truss bridge over Boulder River on CR 102
Open to traffic
Built 1931; rehabilitated 1991
Boulder River Bridge   [Map · Street View]
Pony truss bridge over Boulder River on CR 103 in Big Timber
Open to traffic
Built 1940
Boulder River CR 116 Bridge   [Map]
Lost pony truss bridge over Boulder River on CR 116
No longer exists
Built ca. 1930; replaced 2002
CR 012 Bridge   [Map]
Timber stringer bridge over Big Timber Creek 022 on CR 012
Open to traffic
Built 1965
Greycliff Bridge   [Map]
Lost two-span through truss bridge over Yellowstone River on CR 001
Replaced by new bridge
Built 1911 by the Security Bridge Co.; relocated here 1918; replaced 1991
Sweet Grass Creek Bridge   [Map]
Warren pony truss bridge over Sweet Grass Creek on Farm Road
Open to traffic
Sweet Grass Creek Bridge   [Map]
Steel stringer bridge over Sweet Grass Creek on US 191
Open to traffic
Built 1947
Sweetgrass Creek Bridge   [Map]
Through truss bridge over Sweetgrass Creek on Otter Creek Road
Open to traffic
Built 1910; Replaced 2009
Sweetgrass Creek Bridge   [Map]
Pony truss bridge over Sweetgrass Creek on CR 014
Open to traffic
Built 1910; rehabilitated 1964
Voges Bridge   [Map]
Lost through truss bridge over Yellowstone River on CR 028
No longer exists
Built 1914 by the Security Bridge Co.; replaced 2000
West Boulder River Bridge   [Map]
Pony truss bridge over West Boulder River on CR 143
Open to traffic
Built 1912
Yellowstone River Bridge   [Map]
Girder bridge over Yellowstone River on US 191
Open to traffic
Built 1938