I 15b ;us 91 over Blackfoot River

Poor Condition90 years old7,000 vehicles/day

Location

StateIdaho
CountyBingham
LocationIn Blackfoot
CarriesI 15b ;us 91
CrossesBlackfoot River
Coordinates43.17594, -112.35939

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure4 (Poor)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length106.0 ft (32.3 m)
Max Span37.1 ft (11.3 m)
Deck Width48.9 ft (14.9 m)
Deck Area481.3 sq m
Main Spans2
Year Built1936 (reconstructed 1960)

Traffic

Avg Daily Traffic7,000 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012090

Nearby Bridges