Tonner Canyon Road over Brea Canyon Channel
GoodOrange County, California · 400 S/O Brea Canyon Blvd · Structure no. 55C0119
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected May 2022
- Type
- Culvert
- Concrete
- Length
- 39 ft
- 3 main spans
- Daily traffic
- 2,119
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Tonner Canyon Road over Brea Canyon Channel is a concrete culvert carrying Tonner Canyon Road over Brea Canyon Channel in Orange County, California. It was built in 1971, so it is 54 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 2,119 vehicles a day, roughly 3% of them trucks, projected to reach 3,722 by 2040. The structure is 39 ft (11.9 m) long and 121 ft wide. If it were closed, the detour would be 11.8 mi (19 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 Tonner Canyon Road over Brea Canyon Channel built?
It was built in 1971, making it 54 years old in 2025.
What condition is Tonner Canyon Road over Brea Canyon Channel 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 2022.
How much traffic does Tonner Canyon Road over Brea Canyon Channel carry?
About 2,119 vehicles per day (2012 count), of which roughly 3% are trucks.
How long is Tonner Canyon Road over Brea Canyon Channel?
The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 121 ft wide.
Who owns Tonner Canyon Road over Brea Canyon Channel?
It is owned by the County Highway Agency.