Imperial Highway over Route 710
FairLos Angeles County, California · 07-LA-710-16.99-LYN · Structure no. 53 0827
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 222 ft
- 4 main spans
- Daily traffic
- 64,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Imperial Highway over Route 710 is a concrete continuous box beam or girders - multiple carrying Imperial Highway over Route 710 in Los Angeles County, California. It was built in 1956, so it is 69 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 64,000 vehicles a day, roughly 15% of them trucks, projected to reach 98,500 by 2041. The structure is 222 ft (67.7 m) long and 92 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Imperial Highway over Route 710 built?
It was built in 1956, making it 69 years old in 2025.
What condition is Imperial Highway over Route 710 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does Imperial Highway over Route 710 carry?
About 64,000 vehicles per day (2015 count), of which roughly 15% are trucks.
How long is Imperial Highway over Route 710?
The structure is 222 ft (67.7 m) long with a longest span of 68 ft (20.7 m) and a deck 92 ft wide.
Who owns Imperial Highway over Route 710?
It is owned by the State Highway Agency.