Gillespie Slideroc over Clark Fork

Fair Condition61 years old50 vehicles/day

Location

StateMontana
CountyMissoula
LocationGillespie-sliderock
CarriesGillespie Slideroc
CrossesClark Fork
Coordinates46.72145, -113.57130

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical4 — Foundations need monitoring

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length212.9 ft (64.9 m)
Max Span71.5 ft (21.8 m)
Deck Width28.9 ft (8.8 m)
Deck Area571.1 sq m
Main Spans3
Year Built1965

Traffic

Avg Daily Traffic50
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Structure Number011603000000076

Nearby Bridges