I 15 Frontage RD over Basin Creek 041

Poor Condition41 years old100 vehicles/day

Location

StateMontana
CountyJefferson
LocationBasin
CarriesI 15 Frontage RD
CrossesBasin Creek 041
Coordinates46.26864, -112.26047

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length63.0 ft (19.2 m)
Max Span60.0 ft (18.3 m)
Deck Width28.2 ft (8.6 m)
Deck Area165.1 sq m
Main Spans1
Year Built1985

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL22099008+09001

Nearby Bridges