I 15 over Teton River

Fair Condition49 years old1,703 vehicles/day

Location

StateMontana
CountyTeton
Location6m N Dutton
CarriesI 15
CrossesTeton River
Coordinates47.92271, -111.73163

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length432.7 ft (131.9 m)
Max Span97.1 ft (29.6 m)
Deck Width44.0 ft (13.4 m)
Deck Area1767.5 sq m
Main Spans5
Year Built1977

Traffic

Avg Daily Traffic1,703 (2023)
Truck Traffic25%
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 NumberI00015318+05741

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