Alta Vista Street over Carbon Canyon Channel
GoodOrange County, California · At Dunnavant Drive · Structure no. 55C0618M
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected February 2025
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 12,200
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Alta Vista Street over Carbon Canyon Channel is a concrete culvert carrying Alta Vista Street over Carbon Canyon Channel in Orange County, California. It was built in 1992, so it is 33 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 12,200 vehicles a day, roughly 1% of them trucks, projected to reach 17,329 by 2047. The structure is 33 ft (10.1 m) long and 72 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 | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Alta Vista Street over Carbon Canyon Channel built?
It was built in 1992, making it 33 years old in 2025.
What condition is Alta Vista Street over Carbon 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 February 2025.
How much traffic does Alta Vista Street over Carbon Canyon Channel carry?
About 12,200 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Alta Vista Street over Carbon Canyon Channel?
The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 72 ft wide.
Who owns Alta Vista Street over Carbon Canyon Channel?
It is owned by the City or Municipal Highway Agency.