Interstate 405 over Devonshire Street
GoodLos Angeles County, California · 07-LA-405-46.24-LA · Structure no. 53 1500
- Built
- 1963
- 62 years old, rebuilt 1977
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 152 ft
- 2 main spans
- Daily traffic
- 225,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 405 over Devonshire Street is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Devonshire Street in Los Angeles County, California. It was built in 1963 and reconstructed in 1977, so it is 62 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 225,000 vehicles a day, roughly 4% of them trucks, projected to reach 323,368 by 2040. The structure is 152 ft (46.3 m) long and 238 ft wide. If it were closed, the detour would be 1.2 mi (2 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 Interstate 405 over Devonshire Street built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1977.
What condition is Interstate 405 over Devonshire Street 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 October 2023.
How much traffic does Interstate 405 over Devonshire Street carry?
About 225,000 vehicles per day (2019 count), of which roughly 4% are trucks.
How long is Interstate 405 over Devonshire Street?
The structure is 152 ft (46.3 m) long with a longest span of 51 ft (15.5 m) and a deck 238 ft wide.
Who owns Interstate 405 over Devonshire Street?
It is owned by the State Highway Agency.