I-5 over Gages Slough
Good Condition72 years old32,965 vehicles/day
Location
| State | Washington |
| County | Skagit |
| Location | 1.7 N Jct SR 538 |
| Carries | I-5 |
| Crosses | Gages Slough |
| Coordinates | 48.45881, -122.34161 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 104.0 ft (31.7 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 396.2 sq m |
| Main Spans | 5 |
| Year Built | 1954 (reconstructed 1973) |
Traffic
| Avg Daily Traffic | 32,965 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0004795C0000000 |