Extension Of SR 20 over Upright Channel
Fair Condition45 years old1,349 vehicles/day
Location
| State | Washington |
| County | San Juan |
| Location | N End Lopez Island |
| Carries | Extension Of SR 20 |
| Crosses | Upright Channel |
| Coordinates | 48.57044, -122.88361 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 103.0 ft (31.4 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 23.3 ft (7.1 m) |
| Deck Area | 222.9 sq m |
| Main Spans | 6 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 1,349 (2010) |
| Truck Traffic | 1% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0012015B0000000 |