8th LN over Mill Coulee Canal 049

Fair Condition76 years old100 vehicles/day

Location

StateMontana
CountyCascade
Location8m E Fairfield
Carries8th LN
CrossesMill Coulee Canal 049
Coordinates47.59776, -111.81605

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length35.1 ft (10.7 m)
Max Span16.7 ft (5.1 m)
Deck Width19.4 ft (5.9 m)
Deck Area63.1 sq m
Main Spans2
Year Built1950 (reconstructed 1999)

Traffic

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

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL07022000+09001

Nearby Bridges