I 90 WB over Clark Fork Rvr-local RD

Fair Condition42 years old3,559 vehicles/day

Location

StateMontana
CountyMineral
Location6.2m E St. Regis
CarriesI 90 WB
CrossesClark Fork Rvr-local RD
Coordinates47.23297, -115.01784

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 Length1144.7 ft (348.9 m)
Max Span175.9 ft (53.6 m)
Deck Width44.0 ft (13.4 m)
Deck Area4675.3 sq m
Main Spans7
Year Built1984

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+08052

Nearby Bridges

I 90 EB over Clark Fork Rvr-local RD 0.0 mi Fair I 90 WB over Sep Southside Road 0.1 mi Fair I 90 EB over Sep Southside Road 0.1 mi Fair Sloway Frntge RD E over Abandoned Rr 001 1.5 mi Poor I 90 over Int Sloway 2.2 mi Fair I 90 over Int Sloway 2.2 mi Good Southside RD over Dry Creek 002 2.2 mi Good I 90 over Int Dry Creek 2.3 mi Fair I 90 over Int Dry Creek 2.3 mi Fair Southside Crossing over Clark Fork 015 2.5 mi Fair