County Road 1090 over Twisp River
Fair Condition67 years old52 vehicles/day
Location
| State | Washington |
| County | Okanogan |
| Location | 10.9 W.sr20 @ Twisp |
| Carries | County Road 1090 |
| Crosses | Twisp River |
| Coordinates | 48.36389, -120.33694 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 102.4 ft (31.2 m) |
| Max Span | 59.4 ft (18.1 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 152.9 sq m |
| Main Spans | 2 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 52 (2021) |
| Truck Traffic | 17% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 081831000000000 |