SR 530 over N Fk Stillaguamish River
Good Condition77 years old4,211 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | 12.7 E Jct SR 9 |
| Carries | SR 530 |
| Crosses | N Fk Stillaguamish River |
| Coordinates | 48.27427, -121.91086 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 299.9 ft (91.4 m) |
| Max Span | 180.1 ft (54.9 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 859.2 sq m |
| Main Spans | 3 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 4,211 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0004174A0000000 |