Island DR over Clearlake Oaks Channel
GoodLake County, California · 1/4 MI E SR 20 · Structure no. 14C0040
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected November 2023
- Type
- Slab
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 390
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
Island DR over Clearlake Oaks Channel is a concrete slab carrying Island DR over Clearlake Oaks Channel in Lake County, California. It was built in 1985, so it is 40 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 390 vehicles a day, roughly 4% of them trucks, projected to reach 498 by 2045. The structure is 26 ft (7.9 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Island DR over Clearlake Oaks Channel built?
It was built in 1985, making it 40 years old in 2025.
What condition is Island DR over Clearlake Oaks Channel in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.
How much traffic does Island DR over Clearlake Oaks Channel carry?
About 390 vehicles per day (2005 count), of which roughly 4% are trucks.
How long is Island DR over Clearlake Oaks Channel?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 33 ft wide.
Who owns Island DR over Clearlake Oaks Channel?
It is owned by the County Highway Agency.