I-5 over S 405 & N 525 Ramps
Fair Condition46 years old69,203 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | 1.1 N Jct SR 524 |
| Carries | I-5 |
| Crosses | S 405 & N 525 Ramps |
| Coordinates | 47.83203, -122.26278 |
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 | 274.9 ft (83.8 m) |
| Max Span | 138.1 ft (42.1 m) |
| Deck Width | 70.9 ft (21.6 m) |
| Deck Area | 1810.1 sq m |
| Main Spans | 2 |
| Year Built | 1980 (reconstructed 1995) |
Traffic
| Avg Daily Traffic | 69,203 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0011598C0000000 |