County Road 1075 over Twisp River
Good Condition52 years old21 vehicles/day
Location
| State | Washington |
| County | Okanogan |
| Location | 4.1 W.sr20 @ Twisp |
| Carries | County Road 1075 |
| Crosses | Twisp River |
| Coordinates | 48.37361, -120.20250 |
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 | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 116.6 sq m |
| Main Spans | 1 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 21 (2021) |
| Truck Traffic | 16% |
| 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 | 081087000000000 |