Us101 (hwy 9) over Slide Viaduct

Fair Condition64 years old3,187 vehicles/day

Location

StateOregon
CountyLane
Location11.5 Mi N HWY 062 Jct
CarriesUs101 (hwy 9)
CrossesSlide Viaduct
Coordinates44.12680, -124.12390

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical9 — Foundation above flood level

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length165.4 ft (50.4 m)
Max Span103.0 ft (31.4 m)
Deck Width34.8 ft (10.6 m)
Deck Area534.2 sq m
Main Spans1
Year Built1962

Traffic

Avg Daily Traffic3,187 (2022)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number01741C009 17882

Nearby Bridges