Big Blackfoot River Bridge
Pony truss bridge over Big Blackfoot River on CR 104
Open to traffic
Built 1931

Big Blackfoot River Bridge
Through truss bridge over Big Blackfoot River on CR 111
Open to traffic
Built 1914

Blackfoot River Bridge
Lost truss bridge over Blackfoot River on MT 141
No longer exists
Built 1936; replaced 2004

Clark Fork Bridge
Wooden truss bridge over Clark Fork on Service Road
Open to traffic
Built 1930; rehabilitated 1982

Clark Fork Bridge
Pony truss bridge over Clark Fork on CR 019
Open to traffic
Built 1910; rehabilitated 2003

Clark Fork Bridge
Through truss bridge over Clark Fork on CR 015 in Garrison
Open to traffic
Built 1912

Little Blackfoot River Bridge
Through truss bridge over Little Blackfoot River on CR 52 in Avon
Open to traffic
Built 1908; rehabilitated 1999

Little Blackfoot River Bridge
Pony truss bridge over Little Blackfoot River on CR 249
Closed to all traffic
Built 1915

Little Blackfoot River Bridge
Pony truss bridge over Little Blackfoot River on CR 186
Open to traffic
Built 1914

North Fork Blackfoot River Bridge
Lost through truss bridge over North Fork Blackfoot River on CR 001
No longer exists
Built 1914; replaced 2000