I 90 over Drainage

Good Condition40 years old8,111 vehicles/day

Location

StateMontana
CountyMineral
LocationSt. Regis
CarriesI 90
CrossesDrainage
Coordinates47.29858, -115.10481

Condition Ratings

Overall ConditionGood
Channel/Waterway7 (Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length21.3 ft (6.5 m)
Max Span8.5 ft (2.6 m)
Deck Area162.5 sq m
Main Spans2
Year Built1986

Traffic

Avg Daily Traffic8,111 (2023)
Truck Traffic24%
Lanes On Bridge5

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090033+01001

Nearby Bridges

I 90 over Int St. Regis 0.3 mi Fair I 90 over Int St. Regis 0.3 mi Fair I 90 over St. Regis Rvr-int Ramp 0.4 mi Fair I 90 EB over St. Regis River 0.4 mi Fair I 90 over St. Regis River 0.4 mi Fair I 90 over St. Regis Rvr-int Ramp 0.4 mi Fair Old HWY 10 E over ST Regis River 059 0.4 mi Poor Old HWY 10 E over Clark Fk-rr 060 0.7 mi Fair I 90 over Clark Fork Rvr-rr-local 0.8 mi Fair I 90 over Clark Fork Rvr-rr-local 0.8 mi Fair