Portola Parkway over State Route 261
FairOrange County, California · 12-ORA-261-3.50-TUS · Structure no. 55 0766
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 265 ft
- 2 main spans
- Daily traffic
- 10,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Portola Parkway over State Route 261 is a prestressed concrete continuous box beam or girders - multiple carrying Portola Parkway over State Route 261 in Orange County, California. It was built in 1997, so it is 28 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 10,000 vehicles a day, roughly 3% of them trucks, projected to reach 12,035 by 2043. The structure is 265 ft (80.8 m) long and 128 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Portola Parkway over State Route 261 built?
It was built in 1997, making it 28 years old in 2025.
What condition is Portola Parkway 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 March 2023.
How much traffic does Portola Parkway over State Route 261 carry?
About 10,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is Portola Parkway over State Route 261?
The structure is 265 ft (80.8 m) long with a longest span of 141 ft (43 m) and a deck 128 ft wide.
Who owns Portola Parkway over State Route 261?
It is owned by the State Highway Agency.