Placid Lake RD over Clearwater River 078

Fair Condition56 years old100 vehicles/day

Location

StateMontana
CountyMissoula
Location3m S Seeley Lake
CarriesPlacid Lake RD
CrossesClearwater River 078
Coordinates47.11963, -113.44722

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length62.0 ft (18.9 m)
Max Span59.1 ft (18 m)
Deck Width24.9 ft (7.6 m)
Deck Area143.6 sq m
Main Spans1
Year Built1970

Traffic

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

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL32400000+02001

Nearby Bridges