State Route 24 EB over Acalanes Road
GoodContra Costa County, California · 04-CC-024-R4.40-LFYT · Structure no. 28 0110R
- Built
- 1959
- 66 years old, rebuilt 1969
- Condition
- Good
- inspected June 2021
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 90 ft
- 1 main span
- Daily traffic
- 79,500
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 24 EB over Acalanes Road is a concrete box beam or girders - multiple carrying State Route 24 EB over Acalanes Road in Contra Costa County, California. It was built in 1959 and reconstructed in 1969, 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 79,500 vehicles a day, roughly 3% of them trucks, projected to reach 117,394 by 2041. The structure is 90 ft (27.4 m) long and 68 ft wide.
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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 24 EB over Acalanes Road built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1969.
What condition is State Route 24 EB over Acalanes Road 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 June 2021.
How much traffic does State Route 24 EB over Acalanes Road carry?
About 79,500 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is State Route 24 EB over Acalanes Road?
The structure is 90 ft (27.4 m) long with a longest span of 83 ft (25.3 m) and a deck 68 ft wide.
Who owns State Route 24 EB over Acalanes Road?
It is owned by the State Highway Agency.