Union Street over Interstate 710
FairLos Angeles County, California · 07-LA-710-R32.51-PAS · Structure no. 53C2399
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 463 ft
- 4 main spans
- Daily traffic
- 6,100
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Union Street over Interstate 710 is a prestressed concrete continuous box beam or girders - multiple carrying Union Street over Interstate 710 in Los Angeles County, California. It was built in 1975, so it is 50 years old, younger 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 6,100 vehicles a day, roughly 5% of them trucks, projected to reach 9,524 by 2042. The structure is 463 ft (141 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Union Street over Interstate 710 built?
It was built in 1975, making it 50 years old in 2025.
What condition is Union Street over Interstate 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 October 2024.
How much traffic does Union Street over Interstate 710 carry?
About 6,100 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Union Street over Interstate 710?
The structure is 463 ft (141 m) long with a longest span of 138 ft (42.1 m) and a deck 56 ft wide.
Who owns Union Street over Interstate 710?
It is owned by the City or Municipal Highway Agency.