US 191 over Musselshell River

Good Condition57 years old805 vehicles/day

Location

StateMontana
CountyWheatland
Location1m S Harlowton
CarriesUS 191
CrossesMusselshell River
Coordinates46.42910, -109.84231

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length171.3 ft (52.2 m)
Max Span86.0 ft (26.2 m)
Deck Width46.3 ft (14.1 m)
Deck Area736.0 sq m
Main Spans2
Year Built1969

Traffic

Avg Daily Traffic805 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00045043+04301

Nearby Bridges