I 15 Nbl over SH 40;downey Ic

Fair Condition55 years old6,000 vehicles/day

Location

StateIdaho
CountyBannock
Location10.3 S. Arimo
CarriesI 15 Nbl
CrossesSH 40;downey Ic
Coordinates42.43044, -112.18219

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length162.1 ft (49.4 m)
Max Span53.1 ft (16.2 m)
Deck Width43.6 ft (13.3 m)
Deck Area657.0 sq m
Main Spans3
Year Built1971 (reconstructed 1987)

Traffic

Avg Daily Traffic6,000 (2023)
Truck Traffic23%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000011075

Nearby Bridges