IRR - US 212 over Tongue River

Fair Condition77 years old2,126 vehicles/day

Location

StateMontana
CountyRosebud
Location1m W Ashland
CarriesIRR - US 212
CrossesTongue River
Coordinates45.59316, -106.28697

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length203.7 ft (62.1 m)
Max Span77.1 ft (23.5 m)
Deck Width42.3 ft (12.9 m)
Deck Area801.1 sq m
Main Spans3
Year Built1949 (reconstructed 1994)

Traffic

Avg Daily Traffic2,126 (2023)
Truck Traffic24%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00037061+04521

Nearby Bridges