I-5 (hwy 001) NB over Marquam Bridge Ramp
Fair Condition60 years old42,700 vehicles/day
Location
| State | Oregon |
| County | Multnomah |
| Location | 0.8 Mi S Of Burnside Br |
| Carries | I-5 (hwy 001) NB |
| Crosses | Marquam Bridge Ramp |
| Coordinates | 45.51242, -122.66760 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 2318.2 ft (706.6 m) |
| Max Span | 178.5 ft (54.4 m) |
| Deck Width | 49.9 ft (15.2 m) |
| Deck Area | 10740.3 sq m |
| Main Spans | 13 |
| Year Built | 1966 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 42,700 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 08590D001 30068 |