US 20 over Silver Creek

Fair Condition47 years old2,000 vehicles/day

Location

StateIdaho
CountyBlaine
Location8.9 W. Carey
CarriesUS 20
CrossesSilver Creek
Coordinates43.31736, -114.10561

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length103.0 ft (31.4 m)
Max Span35.1 ft (10.7 m)
Deck Width40.0 ft (12.2 m)
Deck Area383.1 sq m
Main Spans3
Year Built1979

Traffic

Avg Daily Traffic2,000 (2023)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000015100

Nearby Bridges