I 90 EB over Clark Fork Rvr-local RD

Fair Condition44 years old3,559 vehicles/day

Location

StateMontana
CountyMineral
Location6.2m E St. Regis
CarriesI 90 EB
CrossesClark Fork Rvr-local RD
Coordinates47.23260, -115.01770

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignBox Beam - Multiple
Total Length1282.8 ft (391 m)
Max Span175.9 ft (53.6 m)
Deck Width44.0 ft (13.4 m)
Deck Area5239.4 sq m
Main Spans8
Year Built1982

Traffic

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

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090039+08051

Nearby Bridges