Oak Grove RD over Pine Creek
FairContra Costa County, California · At Walnut Ave · Structure no. 28C0351
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected November 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 43 ft
- 2 main spans
- Daily traffic
- 6,600
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Oak Grove RD over Pine Creek is a concrete continuous culvert carrying Oak Grove RD over Pine Creek in Contra Costa County, California. It was built in 1974, so it is 51 years old, younger 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 6 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 6,600 vehicles a day, roughly 3% of them trucks, projected to reach 9,500 by 2039. The structure is 43 ft (13 m) long and 42 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Oak Grove RD over Pine Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Oak Grove RD over Pine 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 November 2022.
How much traffic does Oak Grove RD over Pine Creek carry?
About 6,600 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Oak Grove RD over Pine Creek?
The structure is 43 ft (13 m) long with a longest span of 21 ft (6.3 m) and a deck 42 ft wide.
Who owns Oak Grove RD over Pine Creek?
It is owned by the City or Municipal Highway Agency.