US 89 over Flathead Creek

Fair Condition53 years old1,140 vehicles/day

Location

StateMontana
CountyPark
Location1m N Wilsall
CarriesUS 89
CrossesFlathead Creek
Coordinates46.01067, -110.66304

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length239.8 ft (73.1 m)
Max Span85.0 ft (25.9 m)
Deck Width43.0 ft (13.1 m)
Deck Area957.6 sq m
Main Spans3
Year Built1973

Traffic

Avg Daily Traffic1,140 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00059024+06971

Nearby Bridges