Carrigan Lane over Canyon Ditch 127

Good Condition15 years old100 vehicles/day

Location

StateMontana
CountyBeaverhead
Location8m S Dillon
CarriesCarrigan Lane
CrossesCanyon Ditch 127
Coordinates45.14934, -112.68219

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length30.2 ft (9.2 m)
Max Span28.5 ft (8.7 m)
Deck Width41.3 ft (12.6 m)
Deck Area115.9 sq m
Main Spans1
Year Built2011

Traffic

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

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL01241002+03001

Nearby Bridges