HWY 001 NB over Columbia River
Fair Condition110 years old65,013 vehicles/day
Location
| State | Oregon |
| County | Multnomah |
| Location | At Interstate Bridge |
| Carries | HWY 001 NB |
| Crosses | Columbia River |
| Coordinates | 45.61804, -122.67527 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Movable - Lift |
| Total Length | 3538.1 ft (1078.4 m) |
| Max Span | 278.9 ft (85 m) |
| Deck Width | 45.3 ft (13.8 m) |
| Deck Area | 14881.9 sq m |
| Main Spans | 1 |
| Year Built | 1916 (reconstructed 1958) |
Traffic
| Avg Daily Traffic | 65,013 (2022) |
| Truck Traffic | 9% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 01377A001 30838 |