SR 20 over Muddy CR
Good Condition59 years old7,403 vehicles/day
Location
| State | Washington |
| County | Skagit |
| Location | 10.9 E Jct SR 9 |
| Carries | SR 20 |
| Crosses | Muddy CR |
| Coordinates | 48.53000, -122.00000 |
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 | 51.8 ft (15.8 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 39.4 ft (12 m) |
| Deck Area | 189.6 sq m |
| Main Spans | 1 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 7,403 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 622 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008227B0000000 |