S57-ORANGETHORPE over Placentia Channel
GoodOrange County, California · 12-ORA-057-16.50-PLCN · Structure no. 55 0527K
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 7,970
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
S57-ORANGETHORPE over Placentia Channel is a concrete continuous culvert carrying S57-ORANGETHORPE over Placentia Channel in Orange County, California. It was built in 1969, 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 7,970 vehicles a day, roughly 7% of them trucks, projected to reach 9,155 by 2041. The structure is 32 ft (9.8 m) long and 30 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 S57-ORANGETHORPE over Placentia Channel built?
It was built in 1969, making it 56 years old in 2025.
What condition is S57-ORANGETHORPE over Placentia 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 2024.
How much traffic does S57-ORANGETHORPE over Placentia Channel carry?
About 7,970 vehicles per day (2020 count), of which roughly 7% are trucks.
How long is S57-ORANGETHORPE over Placentia Channel?
The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.
Who owns S57-ORANGETHORPE over Placentia Channel?
It is owned by the State Highway Agency.