N133-N405 Connectr over Interstate 405 & Ramp
FairOrange County, California · 12-ORA-133-8.34-IRVN · Structure no. 55 0452G
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 346 ft
- 4 main spans
- Daily traffic
- 8,416
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N133-N405 Connectr over Interstate 405 & Ramp is a concrete continuous box beam or girders - multiple carrying N133-N405 Connectr over Interstate 405 & Ramp in Orange County, California. It was built in 1968, so it is 57 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 8,416 vehicles a day, roughly 3% of them trucks, projected to reach 8,847 by 2043. The structure is 346 ft (105.5 m) long and 34 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N133-N405 Connectr over Interstate 405 & Ramp built?
It was built in 1968, making it 57 years old in 2025.
What condition is N133-N405 Connectr over Interstate 405 & Ramp 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 November 2024.
How much traffic does N133-N405 Connectr over Interstate 405 & Ramp carry?
About 8,416 vehicles per day (2018 count), of which roughly 3% are trucks.
How long is N133-N405 Connectr over Interstate 405 & Ramp?
The structure is 346 ft (105.5 m) long with a longest span of 116 ft (35.4 m) and a deck 34 ft wide.
Who owns N133-N405 Connectr over Interstate 405 & Ramp?
It is owned by the State Highway Agency.