The deputy was transported to the Riverside County Regional Medical Center and is expected to recover from his injuries.
The California Highway Patrol is investigating the accident. The driver of the vehicle stopped and is now being questioned. There's no word on if the driver was under the influence of alcohol at the time of the accident.
Anyone with information regarding the incident is asked to call the CHP at 1-800-TELL-CHP (1-800-835-5247).