Diablo Shadow DR over Pine Creek
GoodContra Costa County, California · 0.1 MI E Oak Grove RD · Structure no. 28C0216
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected November 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 31 ft
- 2 main spans
- Daily traffic
- 1,900
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Diablo Shadow DR over Pine Creek is a concrete continuous culvert carrying Diablo Shadow DR over Pine Creek in Contra Costa County, California. It was built in 1975, so it is 50 years old, younger 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 1,900 vehicles a day, roughly 1% of them trucks, projected to reach 2,574 by 2041. The structure is 31 ft (9.4 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Diablo Shadow DR over Pine Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is Diablo Shadow DR over Pine 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 November 2023.
How much traffic does Diablo Shadow DR over Pine Creek carry?
About 1,900 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Diablo Shadow DR over Pine Creek?
The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 60 ft wide.
Who owns Diablo Shadow DR over Pine Creek?
It is owned by the City or Municipal Highway Agency.