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Prairie County

Montana
BNSF - Powder River Bridge   [Map]
Warren through truss bridge over Powder River on BNSF Railway
Open to traffic
Built 1921, Deck Girders added 1925
BNSF - Terry Overpass   [Map · Street View]
Pratt pony truss bridge over Railroad (BNSF) on Railroad (BNSF)
Open to traffic
Built 1907
Cabin Creek Road Bridge   [Map]
Lost pony truss bridge over Cabin Creek on Cabin Creek Road (CR 112)
Replaced by a new bridge
Built 1964; replaced 2012
Cabin Creek-Spring Creek Road Bridge   [Map]
Warren pony truss bridge over Cabin Creek on Spring Creek Road (CR 124)
Open to traffic
Built 1933; rehabilitated 1964
Calypso Bridge   [Map]
Parker through truss bridge over Yellowstone river on Milwakuee Road
Open to traffic
Built 1907
O'Fallon Creek Bridge   [Map]
Lost through truss bridge over O'Fallon Creek on CR 105
No longer exists
Built 1914; replaced 2003
Powder River Bridge   [Map · Street View]
Warren through truss bridge over Powder River on Frontage Road
Open to traffic
Built 1945
Yellowstone River Bridge   [Map · Street View]
Warren through truss bridge over Yellowstone River on Frontage Road 114 in Fallon
Open to traffic
Built 1945
Yellowstone River Bridge   [Map]
Lost Camelback through truss bridge over Yellowstone River on US 10
Destroyed by disaster: Ice jam
Built in 1914; lost when ice jam broke three piers 1:17 PM on March 27, 1943