I 90 over Rr

Fair Condition63 years old5,626 vehicles/day

Location

StateMontana
CountyMissoula
Location1.9m W Clinton
CarriesI 90
CrossesRr
Coordinates46.79544, -113.75165

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length355.3 ft (108.3 m)
Max Span70.9 ft (21.6 m)
Deck Width31.8 ft (9.7 m)
Deck Area1050.5 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic5,626 (2023)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090118+06292

Nearby Bridges