N5-N405 & S405-S5 over Interstate 5 SB
GoodOrange County, California · 12-ORA-005-20.74-IRVN · Structure no. 55 0822E
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 2,231 ft
- 12 main spans
- Daily traffic
- 32,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
N5-N405 & S405-S5 over Interstate 5 SB is a prestressed concrete continuous box beam or girders - multiple carrying N5-N405 & S405-S5 over Interstate 5 SB in Orange County, California. It was built in 1996, so it is 29 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 32,000 vehicles a day, roughly 1% of them trucks, projected to reach 39,499 by 2046. The structure is 2,231 ft (680 m) long and 53 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 N5-N405 & S405-S5 over Interstate 5 SB built?
It was built in 1996, making it 29 years old in 2025.
What condition is N5-N405 & S405-S5 over Interstate 5 SB 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 July 2024.
How much traffic does N5-N405 & S405-S5 over Interstate 5 SB carry?
About 32,000 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is N5-N405 & S405-S5 over Interstate 5 SB?
The structure is 2,231 ft (680 m) long with a longest span of 203 ft (62 m) and a deck 53 ft wide.
Who owns N5-N405 & S405-S5 over Interstate 5 SB?
It is owned by the State Highway Agency.