I 15 over Int Ulm

Fair Condition57 years old3,145 vehicles/day

Location

StateMontana
CountyCascade
LocationUlm
CarriesI 15
CrossesInt Ulm
Coordinates47.43399, -111.50691

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length129.9 ft (39.6 m)
Max Span49.9 ft (15.2 m)
Deck Width40.7 ft (12.4 m)
Deck Area491.0 sq m
Main Spans3
Year Built1969

Traffic

Avg Daily Traffic3,145 (2023)
Truck Traffic12%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00015270+04312

Nearby Bridges