IRR - US 2 over Stillwater River

Fair Condition60 years old13,680 vehicles/day

Location

StateMontana
CountyFlathead
Location1m NE Kalispell
CarriesIRR - US 2
CrossesStillwater River
Coordinates48.21099, -114.28707

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length184.1 ft (56.1 m)
Max Span90.9 ft (27.7 m)
Deck Width33.1 ft (10.1 m)
Deck Area566.6 sq m
Main Spans2
Year Built1966 (reconstructed 1995)

Traffic

Avg Daily Traffic13,680 (2023)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00001122+03342

Nearby Bridges