State Route 57 over Loftus Diversion Ch
FairOrange County, California · 12-ORA-057-19.66-FUL · Structure no. 55 0528
- Built
- 1970
- 55 years old, rebuilt 2013
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 103 ft
- 5 main spans
- Daily traffic
- 245,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 57 over Loftus Diversion Ch is a concrete continuous culvert carrying State Route 57 over Loftus Diversion Ch in Orange County, California. It was built in 1970 and reconstructed in 2013, so it is 55 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 245,000 vehicles a day, roughly 8% of them trucks, projected to reach 310,000 by 2041. The structure is 103 ft (31.5 m) long and 240 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 57 over Loftus Diversion Ch built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2013.
What condition is State Route 57 over Loftus Diversion Ch in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does State Route 57 over Loftus Diversion Ch carry?
About 245,000 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is State Route 57 over Loftus Diversion Ch?
The structure is 103 ft (31.5 m) long with a longest span of 17 ft (5.2 m) and a deck 240 ft wide.
Who owns State Route 57 over Loftus Diversion Ch?
It is owned by the State Highway Agency.