US 87 over Drainage

Fair Condition87 years old1,067 vehicles/day

Location

StateMontana
CountyFergus
Location2m NW Grass Range
CarriesUS 87
CrossesDrainage
Coordinates47.04510, -108.84304

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length25.9 ft (7.9 m)
Max Span24.9 ft (7.6 m)
Deck Width29.9 ft (9.1 m)
Deck Area71.9 sq m
Main Spans1
Year Built1939

Traffic

Avg Daily Traffic1,067 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00057111+00731

Nearby Bridges