I 90 over St. Regis River

Fair Condition53 years old7,448 vehicles/day

Location

StateMontana
CountyMineral
LocationSaltese
CarriesI 90
CrossesSt. Regis River
Coordinates47.40843, -115.50638

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length197.8 ft (60.3 m)
Max Span76.1 ft (23.2 m)
Deck Width87.9 ft (26.8 m)
Deck Area1616.0 sq m
Main Spans3
Year Built1973 (reconstructed 2007)

Traffic

Avg Daily Traffic7,448 (2023)
Truck Traffic26%
Lanes On Bridge4

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090010+07441

Nearby Bridges