State Route 1 over Malibu Lagoon
GoodLos Angeles County, California · 07-LA-001-46.88-MAL · Structure no. 53 2818
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 523 ft
- 6 main spans
- Daily traffic
- 41,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Malibu Lagoon is a prestressed concrete continuous box beam or girders - multiple carrying State Route 1 over Malibu Lagoon in Los Angeles County, California. It was built in 1995, so it is 30 years old, younger 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 41,000 vehicles a day, roughly 2% of them trucks, projected to reach 47,500 by 2040. The structure is 523 ft (159.4 m) long and 88 ft wide. If it were closed, the detour would be 13 mi (21 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Malibu Lagoon built?
It was built in 1995, making it 30 years old in 2025.
What condition is State Route 1 over Malibu Lagoon 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 August 2023.
How much traffic does State Route 1 over Malibu Lagoon carry?
About 41,000 vehicles per day (2017 count), of which roughly 2% are trucks.
How long is State Route 1 over Malibu Lagoon?
The structure is 523 ft (159.4 m) long with a longest span of 105 ft (32 m) and a deck 88 ft wide.
Who owns State Route 1 over Malibu Lagoon?
It is owned by the State Highway Agency.