7th LN over Greenfield S Canal 065

Fair Condition76 years old100 vehicles/day

Location

StateMontana
CountyCascade
Location7m E Fairfield
Carries7th LN
CrossesGreenfield S Canal 065
Coordinates47.60935, -111.83779

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length37.1 ft (11.3 m)
Max Span17.4 ft (5.3 m)
Deck Width19.0 ft (5.8 m)
Deck Area65.5 sq m
Main Spans2
Year Built1950 (reconstructed 1970)

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 NumberL07008000+01001

Nearby Bridges