US 20 Wbl over N.fk.teton River

Fair Condition47 years old7,750 vehicles/day

Location

StateIdaho
CountyMadison
Location2.0 N. Sugar City
CarriesUS 20 Wbl
CrossesN.fk.teton River
Coordinates43.88969, -111.74414

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length101.0 ft (30.8 m)
Max Span99.1 ft (30.2 m)
Deck Width43.6 ft (13.3 m)
Deck Area409.6 sq m
Main Spans1
Year Built1979

Traffic

Avg Daily Traffic7,750 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012585

Nearby Bridges