Trabuco Road over Serrano Creek
GoodOrange County, California · 0.2 Mi. Nw/O Lake Forest · Structure no. 55C0222
- Built
- 1969
- 56 years old, rebuilt 1978
- Condition
- Good
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 76 ft
- 1 main span
- Daily traffic
- 29,000
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Trabuco Road over Serrano Creek is a prestressed concrete box beam or girders - multiple carrying Trabuco Road over Serrano Creek in Orange County, California. It was built in 1969 and reconstructed in 1978, so it is 56 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 29,000 vehicles a day, roughly 1% of them trucks, projected to reach 60,564 by 2041. The structure is 76 ft (23.2 m) long and 121 ft wide. If it were closed, the detour would be 3.1 mi (5 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 Trabuco Road over Serrano Creek built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1978.
What condition is Trabuco Road over Serrano Creek 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 2024.
How much traffic does Trabuco Road over Serrano Creek carry?
About 29,000 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is Trabuco Road over Serrano Creek?
The structure is 76 ft (23.2 m) long with a longest span of 74 ft (22.6 m) and a deck 121 ft wide.
Who owns Trabuco Road over Serrano Creek?
It is owned by the City or Municipal Highway Agency.