I 90 over Sep Loiselle Road

Fair Condition55 years old6,073 vehicles/day

Location

StateMontana
CountyMissoula
Location3.7m E Frenchtown
CarriesI 90
CrossesSep Loiselle Road
Coordinates46.98115, -114.17488

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length79.1 ft (24.1 m)
Max Span27.6 ft (8.4 m)
Deck Width44.0 ft (13.4 m)
Deck Area322.9 sq m
Main Spans3
Year Built1971

Traffic

Avg Daily Traffic6,073 (2023)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090093+03971

Nearby Bridges