Interstate 405 over Dominguez Channel
FairLos Angeles County, California · 07-LA-405-9.76-CRSN · Structure no. 53 1166
- Built
- 1962
- 63 years old, rebuilt 2017
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 438 ft
- 8 main spans
- Daily traffic
- 240,309
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 405 over Dominguez Channel is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Dominguez Channel in Los Angeles County, California. It was built in 1962 and reconstructed in 2017, so it is 63 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 240,309 vehicles a day, roughly 4% of them trucks, projected to reach 304,343 by 2044. The structure is 438 ft (133.5 m) long and 159 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 405 over Dominguez Channel built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2017.
What condition is Interstate 405 over Dominguez Channel in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does Interstate 405 over Dominguez Channel carry?
About 240,309 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Interstate 405 over Dominguez Channel?
The structure is 438 ft (133.5 m) long with a longest span of 58 ft (17.7 m) and a deck 159 ft wide.
Who owns Interstate 405 over Dominguez Channel?
It is owned by the State Highway Agency.