Route 133 NB over Portola Parkway
GoodOrange County, California · 12-ORA-133-12.55-IRVN · Structure no. 55 0779R
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 184 ft
- 1 main span
- Daily traffic
- 47,200
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Route 133 NB over Portola Parkway is a prestressed concrete box beam or girders - multiple carrying Route 133 NB over Portola Parkway 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 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 47,200 vehicles a day, roughly 3% of them trucks, projected to reach 58,548 by 2047. The structure is 184 ft (56 m) long and 72 ft wide. If it were closed, the detour would be 5 mi (8 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 Route 133 NB over Portola Parkway built?
It was built in 1998, making it 27 years old in 2025.
What condition is Route 133 NB over Portola Parkway 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 Route 133 NB over Portola Parkway carry?
About 47,200 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Route 133 NB over Portola Parkway?
The structure is 184 ft (56 m) long with a longest span of 184 ft (56 m) and a deck 72 ft wide.
Who owns Route 133 NB over Portola Parkway?
It is owned by the State Highway Agency.