Stemple Pass RD over Blackfoot River 118

Fair Condition67 years old301 vehicles/day

Location

StateMontana
CountyLewis and Clark
Location.5m S Lincoln
CarriesStemple Pass RD
CrossesBlackfoot River 118
Coordinates46.94715, -112.68072

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length124.0 ft (37.8 m)
Max Span80.1 ft (24.4 m)
Deck Width26.9 ft (8.2 m)
Deck Area310.0 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic301 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL25500000+07001

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