I 90 over Int Two Mile-st Regis R

Fair Condition45 years old4,056 vehicles/day

Location

StateMontana
CountyMineral
Location3.7m W St. Regis
CarriesI 90
CrossesInt Two Mile-st Regis R
Coordinates47.29531, -115.16468

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 Length286.1 ft (87.2 m)
Max Span101.0 ft (30.8 m)
Deck Width44.0 ft (13.4 m)
Deck Area1168.5 sq m
Main Spans3
Year Built1981 (reconstructed 2005)

Traffic

Avg Daily Traffic4,056 (2023)
Truck Traffic24%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090030+01171

Nearby Bridges

I 90 over Int Two Mile-st Regis R 0.0 mi Fair I 90 over St. Regis Rvr-int Ramp 0.1 mi Fair RD 431 over ST Regis River 0.2 mi Fair I 90 over St. Regis River 0.4 mi Good RD 431 over Twomile Creek 0.4 mi Fair I 90 over St. Regis River 0.7 mi Fair I 90 over St. Regis River 0.7 mi Fair I 90 over St. Regis River 0.9 mi Fair I 90 over St. Regis River 0.9 mi Fair I 90 EB over St. Regis River 1.2 mi Fair