US 101 over Columbia R

Fair Condition60 years old22,526 vehicles/day

Location

StateWashington
CountyPacific
Location0.96 S Oregon Line
CarriesUS 101
CrossesColumbia R
Coordinates46.20409, -123.85599

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Thru
Total Length6650.9 ft (2027.2 m)
Max Span1232.0 ft (375.5 m)
Deck Width33.1 ft (10.1 m)
Deck Area20474.7 sq m
Main Spans8
Year Built1966

Traffic

Avg Daily Traffic22,526 (2024)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number0007666D0000000

Nearby Bridges