Interstate 405 over Caspian Ave Storm Drain
GoodLos Angeles County, California · 07-LA-405-7.95-LBCH · Structure no. 53 0361
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 36 ft
- 4 main spans
- Daily traffic
- 285,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 405 over Caspian Ave Storm Drain is a concrete culvert carrying Interstate 405 over Caspian Ave Storm Drain 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 285,000 vehicles a day, roughly 4% of them trucks, projected to reach 295,382 by 2046. The structure is 36 ft (11 m) long and 226 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 405 over Caspian Ave Storm Drain built?
It was built in 1961, making it 64 years old in 2025.
What condition is Interstate 405 over Caspian Ave Storm Drain 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 September 2024.
How much traffic does Interstate 405 over Caspian Ave Storm Drain carry?
About 285,000 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Interstate 405 over Caspian Ave Storm Drain?
The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m) and a deck 226 ft wide.
Who owns Interstate 405 over Caspian Ave Storm Drain?
It is owned by the State Highway Agency.