Interstate 10 over Walnut Creek Channel
GoodLos Angeles County, California · 07-LA-010-38.32-WCOV · Structure no. 53 0105
- Built
- 1932
- 93 years old, rebuilt 1975
- Condition
- Good
- inspected June 2023
- Type
- Tee Beam
- Concrete
- Length
- 44 ft
- 1 main span
- Daily traffic
- 223,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 10 over Walnut Creek Channel is a concrete tee beam carrying Interstate 10 over Walnut Creek Channel in Los Angeles County, California. It was built in 1932 and reconstructed in 1975, so it is 93 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 223,000 vehicles a day, projected to reach 282,477 by 2040. The structure is 44 ft (13.4 m) long and 227 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 10 over Walnut Creek Channel built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1975.
What condition is Interstate 10 over Walnut Creek Channel 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 2023.
How much traffic does Interstate 10 over Walnut Creek Channel carry?
About 223,000 vehicles per day (2014 count).
How long is Interstate 10 over Walnut Creek Channel?
The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 227 ft wide.
Who owns Interstate 10 over Walnut Creek Channel?
It is owned by the State Highway Agency.