Hughes PKWY-N405 over I 405 On-Ramps
GoodLos Angeles County, California · 07-LA-405-24.69-LA · Structure no. 53 2723S
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 1,118 ft
- 10 main spans
- Daily traffic
- 10,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Hughes PKWY-N405 over I 405 On-Ramps is a prestressed concrete continuous box beam or girders - multiple carrying Hughes PKWY-N405 over I 405 On-Ramps in Los Angeles County, California. It was built in 1994, so it is 31 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 10,000 vehicles a day, roughly 1% of them trucks, projected to reach 11,796 by 2043. The structure is 1,118 ft (340.8 m) long and 35 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Hughes PKWY-N405 over I 405 On-Ramps built?
It was built in 1994, making it 31 years old in 2025.
What condition is Hughes PKWY-N405 over I 405 On-Ramps 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 January 2025.
How much traffic does Hughes PKWY-N405 over I 405 On-Ramps carry?
About 10,000 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Hughes PKWY-N405 over I 405 On-Ramps?
The structure is 1,118 ft (340.8 m) long with a longest span of 148 ft (45.1 m) and a deck 35 ft wide.
Who owns Hughes PKWY-N405 over I 405 On-Ramps?
It is owned by the State Highway Agency.