San Luis Bay DR over See Canyon Creek
GoodSan Luis Obispo County, California · 0.9 MI W of US 101 · Structure no. 49C0150
- Built
- 1940
- 85 years old, rebuilt 1958
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 6,830
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
San Luis Bay DR over See Canyon Creek is a concrete continuous slab carrying San Luis Bay DR over See Canyon Creek in San Luis Obispo County, California. It was built in 1940 and reconstructed in 1958, so it is 85 years old, older 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 6,830 vehicles a day, roughly 3% of them trucks, projected to reach 13,665 by 2045. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 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 San Luis Bay DR over See Canyon Creek built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1958.
What condition is San Luis Bay DR over See Canyon Creek 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 May 2023.
How much traffic does San Luis Bay DR over See Canyon Creek carry?
About 6,830 vehicles per day (2010 count), of which roughly 3% are trucks.
How long is San Luis Bay DR over See Canyon Creek?
The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.5 m) and a deck 28 ft wide.
Who owns San Luis Bay DR over See Canyon Creek?
It is owned by the County Highway Agency.