I 90 over Int Beavertail

Fair Condition54 years old5,901 vehicles/day

Location

StateMontana
CountyMissoula
Location7.4m W Bearmouth
CarriesI 90
CrossesInt Beavertail
Coordinates46.72557, -113.57589

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length125.0 ft (38.1 m)
Max Span45.9 ft (14 m)
Deck Width43.3 ft (13.2 m)
Deck Area502.9 sq m
Main Spans3
Year Built1972 (reconstructed 1992)

Traffic

Avg Daily Traffic5,901 (2023)
Truck Traffic20%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090130+04302

Nearby Bridges