N5-JAMBOREE Off-Ra over State Route 261
FairOrange County, California · 12-ORA-005-27.50-IRVN · Structure no. 55 0763S
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 221 ft
- 2 main spans
- Daily traffic
- 16,612
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
N5-JAMBOREE Off-Ra over State Route 261 is a prestressed concrete continuous box beam or girders - single or spread carrying N5-JAMBOREE Off-Ra over State Route 261 in Orange County, California. It was built in 1998, so it is 27 years old, younger 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 5 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 16,612 vehicles a day, roughly 3% of them trucks, projected to reach 20,094 by 2040. The structure is 221 ft (67.3 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
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N5-JAMBOREE Off-Ra over State Route 261 built?
It was built in 1998, making it 27 years old in 2025.
What condition is N5-JAMBOREE Off-Ra over State Route 261 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 July 2023.
How much traffic does N5-JAMBOREE Off-Ra over State Route 261 carry?
About 16,612 vehicles per day (2015 count), of which roughly 3% are trucks.
How long is N5-JAMBOREE Off-Ra over State Route 261?
The structure is 221 ft (67.3 m) long with a longest span of 110 ft (33.5 m) and a deck 35 ft wide.
Who owns N5-JAMBOREE Off-Ra over State Route 261?
It is owned by the State Highway Agency.