County Road 1089 over Twisp River
Good Condition66 years old65 vehicles/day
Location
| State | Washington |
| County | Okanogan |
| Location | 6.9 W.sr20 @ Twisp |
| Carries | County Road 1089 |
| Crosses | Twisp River |
| Coordinates | 48.38053, -120.26214 |
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 | Stringer/Multi-beam |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 17.1 ft (5.2 m) |
| Deck Area | 190.3 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 65 (2021) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 080552000000000 |