I-405 over SR 524 (filbert Rd)
Fair Condition58 years old61,143 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | 2.9 N Jct SR 527 |
| Carries | I-405 |
| Crosses | SR 524 (filbert Rd) |
| Coordinates | 47.82525, -122.25350 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 340.9 ft (103.9 m) |
| Max Span | 137.1 ft (41.8 m) |
| Deck Width | 81.4 ft (24.8 m) |
| Deck Area | 2576.7 sq m |
| Main Spans | 3 |
| Year Built | 1968 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 61,143 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0011598A0000000 |