I 90 over St. Regis Rvr-local RD

Fair Condition47 years old7,448 vehicles/day

Location

StateMontana
CountyMineral
Location4.3m E De Borgia
CarriesI 90
CrossesSt. Regis Rvr-local RD
Coordinates47.34245, -115.27560

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length637.8 ft (194.4 m)
Max Span179.1 ft (54.6 m)
Deck Width88.3 ft (26.9 m)
Deck Area5229.4 sq m
Main Spans4
Year Built1979 (reconstructed 2009)

Traffic

Avg Daily Traffic7,448 (2023)
Truck Traffic26%
Lanes On Bridge4
Lanes Under Bridge1

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090023+03251

Nearby Bridges