Diablo RD over Green Valley Creek
GoodContra Costa County, California · 0.2 MI E El Cerro Blvd · Structure no. 28C0438
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected December 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 14,013
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Diablo RD over Green Valley Creek is a concrete continuous culvert carrying Diablo RD over Green Valley Creek in Contra Costa County, California. It was built in 1959, so it is 66 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 14,013 vehicles a day, roughly 10% of them trucks, projected to reach 27,418 by 2043. The structure is 33 ft (10.1 m) long and 73 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Diablo RD over Green Valley Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is Diablo RD over Green Valley 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 December 2021.
How much traffic does Diablo RD over Green Valley Creek carry?
About 14,013 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Diablo RD over Green Valley Creek?
The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.3 m) and a deck 73 ft wide.
Who owns Diablo RD over Green Valley Creek?
It is owned by the City or Municipal Highway Agency.