I-405 over 228th ST
Fair Condition58 years old46,512 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | 1.3 N King Co |
| Carries | I-405 |
| Crosses | 228th ST |
| Coordinates | 47.79114, -122.20717 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 273.0 ft (83.2 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 68.6 ft (20.9 m) |
| Deck Area | 1738.9 sq m |
| Main Spans | 3 |
| Year Built | 1968 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 46,512 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008375D0000000 |