Magnolia Street over Route 405
GoodOrange County, California · 12-ORA-405-15.21-HNTB · Structure no. 55 1121
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 444 ft
- 2 main spans
- Daily traffic
- 254,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Magnolia Street over Route 405 is a concrete continuous box beam or girders - multiple carrying Magnolia Street over Route 405 in Orange County, California. It was built in 2021, so it is 4 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 254,000 vehicles a day, roughly 7% of them trucks, projected to reach 320,000 by 2040. The structure is 444 ft (135.4 m) long and 115 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 Magnolia Street over Route 405 built?
It was built in 2021, making it 4 years old in 2025.
What condition is Magnolia Street over Route 405 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 August 2023.
How much traffic does Magnolia Street over Route 405 carry?
About 254,000 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is Magnolia Street over Route 405?
The structure is 444 ft (135.4 m) long with a longest span of 236 ft (71.8 m) and a deck 115 ft wide.
Who owns Magnolia Street over Route 405?
It is owned by the State Highway Agency.