SR 20 over Higgins Slough
Good Condition19 years old13,561 vehicles/day
Location
| State | Washington |
| County | Skagit |
| Location | 0.1 E Jct SR 536 |
| Carries | SR 20 |
| Crosses | Higgins Slough |
| Coordinates | 48.44635, -122.43096 |
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 | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 39.7 ft (12.1 m) |
| Deck Area | 369.1 sq m |
| Main Spans | 1 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 13,561 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0017242A0000000 |