I 15 over Int Hardy-hardy Creek

Good Condition58 years old2,218 vehicles/day

Location

StateMontana
CountyCascade
Location7m S Cascade
CarriesI 15
CrossesInt Hardy-hardy Creek
Coordinates47.18929, -111.80766

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length211.0 ft (64.3 m)
Max Span61.4 ft (18.7 m)
Deck Width38.7 ft (11.8 m)
Deck Area758.7 sq m
Main Spans4
Year Built1968

Traffic

Avg Daily Traffic2,218 (2023)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00015247+02991

Nearby Bridges