I 90 over Drainage

Good Condition55 years old13,081 vehicles/day

Location

StateMontana
CountyGranite
Location4.8m E Bearmouth Int
CarriesI 90
CrossesDrainage
Coordinates46.70283, -113.34139

Condition Ratings

Overall ConditionGood
Channel/Waterway8 (Very Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length25.3 ft (7.7 m)
Max Span10.8 ft (3.3 m)
Deck Area178.6 sq m
Main Spans2
Year Built1971

Traffic

Avg Daily Traffic13,081 (2023)
Truck Traffic18%
Lanes On Bridge4

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090142+09001

Nearby Bridges

I 90 over Antelope Creek 0.1 mi Poor I 90 over Sep Bearmouth Road 0.8 mi Good Bear Gulch RD over Clark Fork River 002 0.8 mi Poor I 90 over Harvey Creek 1.5 mi Good Frontage Road 153 over Clark Fork River 034 4.3 mi Fair I 90 over Int Bearmouth 4.3 mi Good I 90 over Int Bearmouth 4.3 mi Fair I 90 over Clark Fork River 4.7 mi Poor I 90 over Clark Fork River 5.0 mi Fair