SR 99 over N 63rd ST
Fair Condition94 years old33,359 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 9.8 N Jct SR 509 |
| Carries | SR 99 |
| Crosses | N 63rd ST |
| Coordinates | 47.67416, -122.34722 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 73.2 ft (22.3 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 79.1 ft (24.1 m) |
| Deck Area | 537.4 sq m |
| Main Spans | 2 |
| Year Built | 1932 |
Traffic
| Avg Daily Traffic | 33,359 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 2 |
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 | 0001673A0000000 |