State Route 1 over Interstate 710
GoodLos Angeles County, California · 07-LA-001-7.29-LBCH · Structure no. 53 0725
- Built
- 1952
- 73 years old, rebuilt 1957
- Condition
- Good
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 162 ft
- 3 main spans
- Daily traffic
- 33,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Interstate 710 is a concrete box beam or girders - multiple carrying State Route 1 over Interstate 710 in Los Angeles County, California. It was built in 1952 and reconstructed in 1957, so it is 73 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 33,000 vehicles a day, roughly 11% of them trucks, projected to reach 77,684 by 2043. The structure is 162 ft (49.4 m) long and 101 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Interstate 710 built?
It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1957.
What condition is State Route 1 over Interstate 710 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 2023.
How much traffic does State Route 1 over Interstate 710 carry?
About 33,000 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is State Route 1 over Interstate 710?
The structure is 162 ft (49.4 m) long with a longest span of 64 ft (19.5 m) and a deck 101 ft wide.
Who owns State Route 1 over Interstate 710?
It is owned by the State Highway Agency.