SR 524 over Swamp Creek
Fair Condition91 years old18,981 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | 1.5 E Jct I-5 |
| Carries | SR 524 |
| Crosses | Swamp Creek |
| Coordinates | 47.82509, -122.25547 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 28.5 ft (8.7 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 69.6 sq m |
| Main Spans | 1 |
| Year Built | 1935 |
Traffic
| Avg Daily Traffic | 18,981 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 081732000000000 |