Bonita Rngr Sta RD over Int Rock Creek I 90 004

Fair Condition54 years old100 vehicles/day

Location

StateMontana
CountyMissoula
Location3m SE Clinton
CarriesBonita Rngr Sta RD
CrossesInt Rock Creek I 90 004
Coordinates46.72818, -113.66794

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length285.8 ft (87.1 m)
Max Span96.5 ft (29.4 m)
Deck Width34.1 ft (10.4 m)
Deck Area905.8 sq m
Main Spans4
Year Built1972

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL32212004+08401

Nearby Bridges