Miraloma Avenue over Carbon Cyn Diversion Cha
GoodOrange County, California · 0.3 Mi. W/O Miller Street · Structure no. 55C0317
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 49 ft
- 1 main span
- Daily traffic
- 11,600
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Miraloma Avenue over Carbon Cyn Diversion Cha is a prestressed concrete slab carrying Miraloma Avenue over Carbon Cyn Diversion Cha in Orange County, California. It was built in 1960, so it is 65 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 11,600 vehicles a day, roughly 13% of them trucks, projected to reach 29,433 by 2043. The structure is 49 ft (14.9 m) long and 64 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Miraloma Avenue over Carbon Cyn Diversion Cha built?
It was built in 1960, making it 65 years old in 2025.
What condition is Miraloma Avenue over Carbon Cyn Diversion Cha 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 August 2023.
How much traffic does Miraloma Avenue over Carbon Cyn Diversion Cha carry?
About 11,600 vehicles per day (2019 count), of which roughly 13% are trucks.
How long is Miraloma Avenue over Carbon Cyn Diversion Cha?
The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 64 ft wide.
Who owns Miraloma Avenue over Carbon Cyn Diversion Cha?
It is owned by the City or Municipal Highway Agency.