SR 20 over Diobsud Creek
Good Condition76 years old1,930 vehicles/day
Location
| State | Washington |
| County | Skagit |
| Location | 10.9 E Jct SR 530 |
| Carries | SR 20 |
| Crosses | Diobsud Creek |
| Coordinates | 48.55994, -121.41511 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 102.0 ft (31.1 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 370.1 sq m |
| Main Spans | 3 |
| Year Built | 1950 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 1,930 (2023) |
| Truck Traffic | 7% |
| 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 | 0003761A0000000 |