W10-S405 Conn over 10 405 Ramps Sts
FairLos Angeles County, California · 07-LA-010-R5.65-LA · Structure no. 53 1637F
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 2,864 ft
- 19 main spans
- Daily traffic
- 40,100
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
W10-S405 Conn over 10 405 Ramps Sts is a concrete continuous box beam or girders - multiple carrying W10-S405 Conn over 10 405 Ramps Sts in Los Angeles County, California. It was built in 1964, so it is 61 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 40,100 vehicles a day, roughly 6% of them trucks, projected to reach 46,219 by 2042. The structure is 2,864 ft (872.9 m) long and 34 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 W10-S405 Conn over 10 405 Ramps Sts built?
It was built in 1964, making it 61 years old in 2025.
What condition is W10-S405 Conn over 10 405 Ramps Sts 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 May 2024.
How much traffic does W10-S405 Conn over 10 405 Ramps Sts carry?
About 40,100 vehicles per day (2018 count), of which roughly 6% are trucks.
How long is W10-S405 Conn over 10 405 Ramps Sts?
The structure is 2,864 ft (872.9 m) long with a longest span of 192 ft (58.5 m) and a deck 34 ft wide.
Who owns W10-S405 Conn over 10 405 Ramps Sts?
It is owned by the State Highway Agency.