Interstate 405 over Century Blvd
FairLos Angeles County, California · 07-LA-405-22.22-ING · Structure no. 53 1243
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 195 ft
- 3 main spans
- Daily traffic
- 293,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 405 over Century Blvd is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Century 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 fair condition with a lowest component rating of 5 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 293,500 vehicles a day, roughly 4% of them trucks, projected to reach 385,027 by 2044. The structure is 195 ft (59.4 m) long and 307 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Century Blvd built?
It was built in 1963, making it 62 years old in 2025.
What condition is Interstate 405 over Century Blvd 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 January 2025.
How much traffic does Interstate 405 over Century Blvd carry?
About 293,500 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Interstate 405 over Century Blvd?
The structure is 195 ft (59.4 m) long with a longest span of 103 ft (31.4 m) and a deck 307 ft wide.
Who owns Interstate 405 over Century Blvd?
It is owned by the State Highway Agency.