IRR - US 2 over Flathead River

Fair Condition49 years old22,220 vehicles/day

Location

StateMontana
CountyFlathead
LocationColumbia Falls
CarriesIRR - US 2
CrossesFlathead River
Coordinates48.36575, -114.16893

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length488.5 ft (148.9 m)
Max Span122.0 ft (37.2 m)
Deck Width100.1 ft (30.5 m)
Deck Area4541.4 sq m
Main Spans4
Year Built1977 (reconstructed 2002)

Traffic

Avg Daily Traffic22,220 (2023)
Truck Traffic2%
Lanes On Bridge4

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00001137+03441

Nearby Bridges