Jamboree Blvd over Route 405
GoodOrange County, California · 12-ORA-405-6.92-IRVN · Structure no. 55 0250
- Built
- 1968
- 57 years old, rebuilt 1998
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 258 ft
- 2 main spans
- Daily traffic
- 20,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Jamboree Blvd over Route 405 is a prestressed concrete continuous box beam or girders - multiple carrying Jamboree Blvd over Route 405 in Orange County, California. It was built in 1968 and reconstructed in 1998, 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 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 20,000 vehicles a day, roughly 3% of them trucks, projected to reach 24,148 by 2045. The structure is 258 ft (78.6 m) long and 132 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 Jamboree Blvd over Route 405 built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1998.
What condition is Jamboree Blvd 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 January 2025.
How much traffic does Jamboree Blvd over Route 405 carry?
About 20,000 vehicles per day (2015 count), of which roughly 3% are trucks.
How long is Jamboree Blvd over Route 405?
The structure is 258 ft (78.6 m) long with a longest span of 128 ft (39 m) and a deck 132 ft wide.
Who owns Jamboree Blvd over Route 405?
It is owned by the State Highway Agency.