SR 20 over Cutthroat Creek
Good Condition58 years old1,081 vehicles/day
Location
| State | Washington |
| County | Okanogan |
| Location | 4.5 E Chelan Co |
| Carries | SR 20 |
| Crosses | Cutthroat Creek |
| Coordinates | 48.56350, -120.63631 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very 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 | 65.0 ft (19.8 m) |
| Max Span | 62.0 ft (18.9 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 213.8 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 1,081 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008473A0000000 |