US 91 over Tyhee Wasteway Canal

Fair Condition101 years old4,600 vehicles/day

Location

StateIdaho
CountyBannock
Location3.2 N. Chubbuck
CarriesUS 91
CrossesTyhee Wasteway Canal
Coordinates42.96594, -112.46472

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length32.2 ft (9.8 m)
Max Span28.9 ft (8.8 m)
Deck Width34.4 ft (10.5 m)
Deck Area102.9 sq m
Main Spans1
Year Built1925 (reconstructed 1949)

Traffic

Avg Daily Traffic4,600 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000017505

Nearby Bridges