Us101 (hwy 9) over Columbia River

Fair Condition60 years old22,526 vehicles/day

Location

StateOregon
CountyClatsop
LocationMain Through Truss Spans
CarriesUs101 (hwy 9)
CrossesColumbia River
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 Length2469.2 ft (752.6 m)
Max Span1232.0 ft (375.5 m)
Deck Width33.1 ft (10.1 m)
Deck Area7601.3 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic22,526 (2024)
Truck Traffic20%
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 Number07949C009 00241

Nearby Bridges