I 90 over Int Sloway

Fair Condition48 years old3,559 vehicles/day

Location

StateMontana
CountyMineral
Location3.7m E St. Regis
CarriesI 90
CrossesInt Sloway
Coordinates47.25413, -115.05282

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length128.0 ft (39 m)
Max Span61.0 ft (18.6 m)
Deck Width44.0 ft (13.4 m)
Deck Area522.6 sq m
Main Spans3
Year Built1978

Traffic

Avg Daily Traffic3,559 (2023)
Truck Traffic28%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090037+02012

Nearby Bridges