US 87 over Stockpass

Good Condition65 years old2,753 vehicles/day

Location

StateMontana
CountyJudith Basin
Location3m E Geyser
CarriesUS 87
CrossesStockpass
Coordinates47.23028, -110.45111

Condition Ratings

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

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length23.3 ft (7.1 m)
Max Span9.8 ft (3 m)
Deck Area51.1 sq m
Main Spans2
Year Built1961

Traffic

Avg Daily Traffic2,753 (2023)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00057024+02201