Sawmill RD over Rock Creek 047

Good Condition20 years old100 vehicles/day

Location

StateMontana
CountyPowell
LocationGarrison
CarriesSawmill RD
CrossesRock Creek 047
Coordinates46.51960, -112.81932

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length61.7 ft (18.8 m)
Max Span59.1 ft (18 m)
Deck Width29.9 ft (9.1 m)
Deck Area171.1 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL39040000+06001

Nearby Bridges