Interstate 405 over Manhattan Beach Blvd
GoodLos Angeles County, California · 07-LA-405-17.86-LNDL · Structure no. 53 1232
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 228 ft
- 4 main spans
- Daily traffic
- 260,800
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 405 over Manhattan Beach Blvd is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Manhattan Beach Blvd in Los Angeles County, California. It was built in 1963, 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 260,800 vehicles a day, roughly 5% of them trucks, projected to reach 309,310 by 2041. The structure is 228 ft (69.5 m) long and 141 ft wide. If it were closed, the detour would be 3.1 mi (5 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 Manhattan Beach Blvd built?
It was built in 1963, making it 62 years old in 2025.
What condition is Interstate 405 over Manhattan Beach Blvd 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 2024.
How much traffic does Interstate 405 over Manhattan Beach Blvd carry?
About 260,800 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Interstate 405 over Manhattan Beach Blvd?
The structure is 228 ft (69.5 m) long with a longest span of 78 ft (23.8 m) and a deck 141 ft wide.
Who owns Interstate 405 over Manhattan Beach Blvd?
It is owned by the State Highway Agency.