SR 518 over N-w Ramp SR 518
Fair Condition55 years old4,108 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 1.9 E Jct SR 509 |
| Carries | SR 518 |
| Crosses | N-w Ramp SR 518 |
| Coordinates | 47.46258, -122.29433 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 608.9 ft (185.6 m) |
| Max Span | 110.9 ft (33.8 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 2338.6 sq m |
| Main Spans | 7 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 4,108 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008902A0000000 |