I-5 over Hill Ditch
Fair Condition56 years old33,686 vehicles/day
Location
| State | Washington |
| County | Skagit |
| Location | 2.1 N Snohomish Co |
| Carries | I-5 |
| Crosses | Hill Ditch |
| Coordinates | 48.32342, -122.32864 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 122.0 ft (37.2 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 636.1 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 33,686 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008650A0000000 |