SR 99 over I-5
Fair Condition63 years old19,534 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | Jct I-5 |
| Carries | SR 99 |
| Crosses | I-5 |
| Coordinates | 47.91506, -122.20892 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 341.2 ft (104 m) |
| Max Span | 92.8 ft (28.3 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 1,144 sq m |
| Main Spans | 4 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 19,534 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 10 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0007116B0000000 |