I 90 over Clark Fork Rvr-rr-local

Fair Condition44 years old3,559 vehicles/day

Location

StateMontana
CountyMineral
Location0.6m E St. Regis
CarriesI 90
CrossesClark Fork Rvr-rr-local
Coordinates47.29198, -115.09149

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length880.6 ft (268.4 m)
Max Span190.0 ft (57.9 m)
Deck Width44.3 ft (13.5 m)
Deck Area3623.4 sq m
Main Spans4
Year Built1982

Traffic

Avg Daily Traffic3,559 (2023)
Truck Traffic28%
Lanes On Bridge2
Lanes Under Bridge1

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090033+09111

Nearby Bridges

I 90 over Clark Fork Rvr-rr-local 0.0 mi Fair Old HWY 10 E over Clark Fk-rr 060 0.1 mi Fair I 90 WB over Sep Red Hill Road 0.3 mi Fair I 90 EB over Sep Red Hill Road 0.3 mi Fair Old HWY 10 E over ST Regis River 059 0.4 mi Poor I 90 over St. Regis Rvr-int Ramp 0.4 mi Fair I 90 over St. Regis River 0.4 mi Fair I 90 EB over St. Regis River 0.4 mi Fair I 90 over St. Regis Rvr-int Ramp 0.4 mi Fair I 90 over Int St. Regis 0.5 mi Fair