HWY 001 SB over Columbia River

Fair Condition68 years old65,013 vehicles/day

Location

StateOregon
CountyMultnomah
LocationAt Interstate Bridge
CarriesHWY 001 SB
CrossesColumbia River
Coordinates45.61696, -122.67610

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignMovable - Lift
Total Length3538.1 ft (1078.4 m)
Max Span530.8 ft (161.8 m)
Deck Width50.5 ft (15.4 m)
Deck Area16607.4 sq m
Main Spans1
Year Built1958

Traffic

Avg Daily Traffic65,013 (2022)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge8

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number07333 001 30838

Nearby Bridges

I-5 over Columbia River 0.0 mi Fair HWY 001 NB over Columbia River 0.1 mi Fair I-5 over Columbia River 0.1 mi Fair HWY 001 (i-5) over Jantzen Ped Tunnel 0.4 mi Fair SR 14 over I-5 0.5 mi Fair SR 14 W-n Ramp over I-5 N-w Ramp 0.5 mi Good N-w Ramp over I-5 0.5 mi Good S-e Ramp From I-5 over SR 14 0.5 mi Good SR 14 W-n Ramp over I-5 N-w Ramp 0.6 mi Good S-e Ramp over I-5 0.6 mi Good