Interstate 405 over Interstate 110
GoodLos Angeles County, California · 07-LA-405-12.95-LA · Structure no. 53 1137
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 253 ft
- 4 main spans
- Daily traffic
- 235,500
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 405 over Interstate 110 is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Interstate 110 in Los Angeles County, California. It was built in 1961, so it is 64 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 235,500 vehicles a day, roughly 5% of them trucks, projected to reach 324,385 by 2046. The structure is 253 ft (77.1 m) long and 152 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Interstate 110 built?
It was built in 1961, making it 64 years old in 2025.
What condition is Interstate 405 over Interstate 110 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 May 2024.
How much traffic does Interstate 405 over Interstate 110 carry?
About 235,500 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Interstate 405 over Interstate 110?
The structure is 253 ft (77.1 m) long with a longest span of 84 ft (25.6 m) and a deck 152 ft wide.
Who owns Interstate 405 over Interstate 110?
It is owned by the State Highway Agency.