SR 20 over Chewuch River
Poor Condition65 years old3,696 vehicles/day
Location
| State | Washington |
| County | Okanogan |
| Location | 30.2 E Chelan Co |
| Carries | SR 20 |
| Crosses | Chewuch River |
| Coordinates | 48.47720, -120.18670 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 125.0 ft (38.1 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 37.4 ft (11.4 m) |
| Deck Area | 434.3 sq m |
| Main Spans | 3 |
| Year Built | 1961 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 3,696 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0006563A0000000 |