US 12 over Little Blackfoot Riv-rr

Fair Condition17 years old3,217 vehicles/day

Location

StateMontana
CountyPowell
Location5m E Garrison
CarriesUS 12
CrossesLittle Blackfoot Riv-rr
Coordinates46.54852, -112.67818

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length745.1 ft (227.1 m)
Max Span131.2 ft (40 m)
Deck Width41.3 ft (12.6 m)
Deck Area2861.5 sq m
Main Spans6
Year Built2009

Traffic

Avg Daily Traffic3,217 (2023)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00008006+02301

Nearby Bridges