Corbett Canyon RD over Quien Sabe Creek
FairSan Luis Obispo County, California · 0.8 MI SE SR 227 · Structure no. 49C0155
- Built
- 1938
- 87 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 1,433
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Corbett Canyon RD over Quien Sabe Creek is a wood or timber stringer/multi-beam or girder carrying Corbett Canyon RD over Quien Sabe Creek in San Luis Obispo County, California. It was built in 1938, so it is 87 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,433 vehicles a day, roughly 3% of them trucks, projected to reach 1,700 by 2041. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Corbett Canyon RD over Quien Sabe Creek built?
It was built in 1938, making it 87 years old in 2025.
What condition is Corbett Canyon RD over Quien Sabe Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does Corbett Canyon RD over Quien Sabe Creek carry?
About 1,433 vehicles per day (2010 count), of which roughly 3% are trucks.
How long is Corbett Canyon RD over Quien Sabe Creek?
The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.
Who owns Corbett Canyon RD over Quien Sabe Creek?
It is owned by the County Highway Agency.