I 90 over Int Nissler

Fair Condition58 years old7,361 vehicles/day

Location

StateMontana
CountySilver Bow
Location1.2m W Rocker
CarriesI 90
CrossesInt Nissler
Coordinates46.00803, -112.63834

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length302.8 ft (92.3 m)
Max Span97.4 ft (29.7 m)
Deck Width40.4 ft (12.3 m)
Deck Area1135.3 sq m
Main Spans4
Year Built1968

Traffic

Avg Daily Traffic7,361 (2023)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090219+01691

Nearby Bridges