Interstate 405 over Hawthorne Blvd
FairLos Angeles County, California · 07-LA-405-17.56-LNDL · Structure no. 53 1231
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 306 ft
- 5 main spans
- Daily traffic
- 260,800
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 405 over Hawthorne Blvd is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Hawthorne Blvd in Los Angeles County, California. It was built in 1962, so it is 63 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 6 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 260,800 vehicles a day, roughly 5% of them trucks, projected to reach 309,310 by 2041. The structure is 306 ft (93.3 m) long and 148 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Interstate 405 over Hawthorne Blvd built?
It was built in 1962, making it 63 years old in 2025.
What condition is Interstate 405 over Hawthorne Blvd 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 Interstate 405 over Hawthorne Blvd carry?
About 260,800 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Interstate 405 over Hawthorne Blvd?
The structure is 306 ft (93.3 m) long with a longest span of 85 ft (25.9 m) and a deck 148 ft wide.
Who owns Interstate 405 over Hawthorne Blvd?
It is owned by the State Highway Agency.