I 15 over Int Craig

Good Condition59 years old2,201 vehicles/day

Location

StateMontana
CountyLewis and Clark
LocationCraig
CarriesI 15
CrossesInt Craig
Coordinates47.07559, -111.96668

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length124.3 ft (37.9 m)
Max Span51.2 ft (15.6 m)
Deck Width39.4 ft (12 m)
Deck Area454.8 sq m
Main Spans3
Year Built1967

Traffic

Avg Daily Traffic2,201 (2023)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00015234+02161

Nearby Bridges