Prospect DR over Grant Creek 001

Good Condition45 years old100 vehicles/day

Location

StateMontana
CountyMissoula
LocationMissoula-prospect DR
CarriesProspect DR
CrossesGrant Creek 001
Coordinates46.92171, -114.03111

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length42.0 ft (12.8 m)
Max Span40.0 ft (12.2 m)
Deck Width40.4 ft (12.3 m)
Deck Area157.4 sq m
Main Spans1
Year Built1981

Traffic

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

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberM32081000+00101

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