State Route 91 WB over Magnolia Ave
GoodOrange County, California · 12-ORA-091-R3.85L-FUL · Structure no. 55 0296L
- Built
- 1970
- 55 years old, rebuilt 2000
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 151 ft
- 1 main span
- Daily traffic
- 132,500
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 91 WB over Magnolia Ave is a prestressed concrete box beam or girders - multiple carrying State Route 91 WB over Magnolia Ave in Orange County, California. It was built in 1970 and reconstructed in 2000, so it is 55 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 132,500 vehicles a day, roughly 6% of them trucks, projected to reach 147,500 by 2042. The structure is 151 ft (46.1 m) long and 67 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 91 WB over Magnolia Ave built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2000.
What condition is State Route 91 WB over Magnolia Ave 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 September 2024.
How much traffic does State Route 91 WB over Magnolia Ave carry?
About 132,500 vehicles per day (2016 count), of which roughly 6% are trucks.
How long is State Route 91 WB over Magnolia Ave?
The structure is 151 ft (46.1 m) long with a longest span of 150 ft (45.7 m) and a deck 67 ft wide.
Who owns State Route 91 WB over Magnolia Ave?
It is owned by the State Highway Agency.