20th Street over Interstate 10
FairLos Angeles County, California · 07-LA-010-R3.07-SMCA · Structure no. 53 1598
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 240 ft
- 4 main spans
- Daily traffic
- 15,690
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
20th Street over Interstate 10 is a concrete continuous box beam or girders - multiple carrying 20th Street over Interstate 10 in Los Angeles County, California. It was built in 1965, so it is 60 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 15,690 vehicles a day, roughly 8% of them trucks, projected to reach 18,417 by 2042. The structure is 240 ft (73.3 m) long and 78 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 | 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 20th Street over Interstate 10 built?
It was built in 1965, making it 60 years old in 2025.
What condition is 20th Street over Interstate 10 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 February 2024.
How much traffic does 20th Street over Interstate 10 carry?
About 15,690 vehicles per day (2016 count), of which roughly 8% are trucks.
How long is 20th Street over Interstate 10?
The structure is 240 ft (73.3 m) long with a longest span of 80 ft (24.4 m) and a deck 78 ft wide.
Who owns 20th Street over Interstate 10?
It is owned by the State Highway Agency.