Island DR over Clearlake Oaks Channel
Good Condition41 years old390 vehicles/day
Location
| State | California |
| County | Lake |
| Location | 1/4 Mi E SR 20 |
| Carries | Island DR |
| Crosses | Clearlake Oaks Channel |
| Coordinates | 39.01956, -122.67252 |
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 |
| Design | Slab |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 79 sq m |
| Main Spans | 1 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 390 (2005) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 14C0040 |