State Route 91 over Patt Drain #5
GoodOrange County, California · 12-ORA-091-3.90-ANA · Structure no. 55 0490
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 3 main spans
- Daily traffic
- 319,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 91 over Patt Drain #5 is a concrete culvert carrying State Route 91 over Patt Drain #5 in Orange County, California. It was built in 1959, so it is 66 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 319,000 vehicles a day, roughly 6% of them trucks, projected to reach 295,000 by 2040. The structure is 26 ft (7.9 m) long and 105 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 91 over Patt Drain #5 built?
It was built in 1959, making it 66 years old in 2025.
What condition is State Route 91 over Patt Drain #5 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 May 2023.
How much traffic does State Route 91 over Patt Drain #5 carry?
About 319,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is State Route 91 over Patt Drain #5?
The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 105 ft wide.
Who owns State Route 91 over Patt Drain #5?
It is owned by the State Highway Agency.