Santa Rosa CR RD over Rocky Creek
GoodSan Luis Obispo County, California · 1.0 MI NW SR 46 · Structure no. 49C0345
- Built
- 1948
- 77 years old
- Condition
- Good
- inspected April 2024
- Type
- Slab
- Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 1,204
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Santa Rosa CR RD over Rocky Creek is a concrete slab carrying Santa Rosa CR RD over Rocky Creek in San Luis Obispo County, California. It was built in 1948, so it is 77 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 1,204 vehicles a day, roughly 3% of them trucks, projected to reach 2,039 by 2046. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 28 mi (45 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 Santa Rosa CR RD over Rocky Creek built?
It was built in 1948, making it 77 years old in 2025.
What condition is Santa Rosa CR RD over Rocky 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 April 2024.
How much traffic does Santa Rosa CR RD over Rocky Creek carry?
About 1,204 vehicles per day (2010 count), of which roughly 3% are trucks.
How long is Santa Rosa CR RD over Rocky Creek?
The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.
Who owns Santa Rosa CR RD over Rocky Creek?
It is owned by the County Highway Agency.