SR 99 over SR 104
Good Condition51 years old31,082 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | Jct SR 104 |
| Carries | SR 99 |
| Crosses | SR 104 |
| Coordinates | 47.77925, -122.34628 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 132.9 ft (40.5 m) |
| Max Span | 128.0 ft (39 m) |
| Deck Width | 65.9 ft (20.1 m) |
| Deck Area | 814.0 sq m |
| Main Spans | 1 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 31,082 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0009698A0000000 |