SR 520 W-s Ramp over I-5
Fair Condition64 years old18,129 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.1 E Jct I-5 |
| Carries | SR 520 W-s Ramp |
| Crosses | I-5 |
| Coordinates | 47.64222, -122.32239 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 351.0 ft (107 m) |
| Max Span | 140.7 ft (42.9 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 1059.3 sq m |
| Main Spans | 3 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 18,129 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0006470C0000000 |