Beaverhead River Bridge
Lost through truss bridge over Beaverhead River on CR 004
No longer exists
Built 1908; rehabilitated 1995; replaced 1995

Beaverhead River Bridge
Two-span pony truss bridge over Beaverhead River on CR 279
Open to traffic
Built 1920; rehabilitated 2001

Beaverhead River Bridge
Pony truss bridge over Beaverhead River on CR 316
Open to traffic
Built 1930

Big Hole River Bridge
Pony truss bridge over Big Hole River on CR 012
Open to traffic
Built 1999

Big Hole River Bridge
Pony truss bridge over Big Hole River on CR 085
Open to traffic
Built 1925

Big Hole River Bridge
Lost through truss bridge over Big Hole River on CR 210
No longer exists
Built 1892; replaced 2000

Big Hole River Bridge
Through truss bridge over Big Hole River on Frontage Road 001
Open to traffic
Built 1940

Bridge Closed Bridge
Pony truss bridge over Red Rock River
Closed to all traffic
Built 1909

Horse Prairie Creek Bridge
Pony truss bridge over Horse Prairie Creek on CR 111
Open to traffic
Built 1920

Red Rock River Bridge
Pony truss bridge over Red Rock River on CR 239
Closed to all traffic
Built 1913

Red Rock River Bridge
Pony truss bridge over Red Rock River on CR 266
Open to traffic
Built 1915

Red Rock River Bridge
Pony truss bridge over Red Rock River on CR 269
Open to traffic
Built 1920

West Bench Canal Bridge
Pony truss bridge over West Bench Canal on CR 028
Open to traffic
Built 1909