Port Wine Ridge RD over Rock Creek
FairSierra County, California · 10.6 MI N/E Chlnge-La Po · Structure no. 13C0019
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 25
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
Port Wine Ridge RD over Rock Creek is a concrete continuous slab carrying Port Wine Ridge RD over Rock Creek in Sierra County, California. It was built in 1961, so it is 64 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 25 vehicles a day, roughly 25% of them trucks, projected to reach 52 by 2041. The structure is 29 ft (8.8 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Port Wine Ridge RD over Rock Creek built?
It was built in 1961, making it 64 years old in 2025.
What condition is Port Wine Ridge RD over Rock 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 August 2023.
How much traffic does Port Wine Ridge RD over Rock Creek carry?
About 25 vehicles per day (2005 count), of which roughly 25% are trucks.
How long is Port Wine Ridge RD over Rock Creek?
The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 16 ft wide.
Who owns Port Wine Ridge RD over Rock Creek?
It is owned by the County Highway Agency.