Cabin Creek Bridge
Pony truss bridge over Cabin Creek on CR 112
Open to traffic
Built 1964

Cabin Creek Bridge
Pony truss bridge over Cabin Creek on CR 124
Open to traffic
Built 1933; rehabilitated 1964

O'Fallon Creek Bridge
Lost through truss bridge over O'Fallon Creek on CR 105
No longer exists
Built 1914; replaced 2003

Powder River Bridge
Through truss bridge over Powder River on Frontage Road
Open to traffic
Built 1945

Yellowstone River Bridge
Through truss bridge over Yellowstone River on Frontage Road 114 in Fallon
Open to traffic
Built 1945