W-n Ramp To I-405 over S-w Ramp To I-90
Fair Condition58 years old22,417 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.1 E Jct I-405 |
| Carries | W-n Ramp To I-405 |
| Crosses | S-w Ramp To I-90 |
| Coordinates | 47.58111, -122.17208 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 210.0 ft (64 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 512 sq m |
| Main Spans | 3 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 22,417 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 2 |
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 | 0008190C0000000 |