[08-09-2025] Contra Costa County, CA – Teen Killed, Five Injured in Multi-Vehicle Crash on Ygnacio Valley Road

A 16-year-old girl died and five others were injured following a multi-vehicle crash on Ygnacio Valley Road in Contra Costa County on Saturday afternoon, August 9, 2025.

According to reports, the collision occurred around 4:40 p.m. east of Oak Grove when three vehicles were involved, one of which, believed to be an electric vehicle, caught fire and ignited a secondary vehicle.

Authorities said one person was trapped in the wreckage, and multiple victims required urgent medical care. An air ambulance landed on Ygnacio Valley Road to transport a teen victim to a hospital in Oakland, while a 14-year-old was also flown to the Children’s Hospital in Oakland. Four others were taken by ground ambulance to John Muir Medical Center.

The 16-year-old girl was pronounced dead at the scene. By late Saturday, officials confirmed that all other injured victims were in stable condition.

The incident remains under investigation.

Contact Our Car Accident Lawyers In Contra Costa County, CA

Serious traffic accidents involving multiple vehicles often require detailed investigations to determine the sequence of events and contributing factors. In some cases, collisions may also result in fire-related injuries, adding to the medical and legal complexities.

Our car accident lawyers in Contra Costa County assist victims and families by reviewing official reports, preserving available evidence, and explaining the process of pursuing car accident claims for damages such as medical expenses, lost income, and funeral costs. Each case is unique, and early legal guidance may help ensure that key steps are taken in a timely manner.

We work on a contingency fee basis, meaning you will not pay attorney fees unless there is a recovery in your case. Case-related costs may still apply. Call (888) 488-1391 or fill out our “Do I Have a Case?” form for a free initial consultation.

What To Do After A Serious Car Accident In Contra Costa County, CA

The period after a major crash can be overwhelming. The following steps may help protect your rights and ensure important information is preserved:

1. Call 911 And Seek Medical Attention
   Report the crash to emergency services and ensure that medical professionals promptly evaluate anyone injured. Even if symptoms seem minor, it is important to be checked.
2. Document The Scene
   If it is safe, take photographs of the vehicles, roadway, debris, and any visible injuries. This documentation may help clarify how the incident occurred.
3. Collect Witness Information
   Obtain names and contact details from people who saw the collision. Their statements may provide valuable perspectives for the investigation.
4. Consult Car Accident Lawyers
   An attorney can explain possible legal avenues, assist with insurance communications, and help ensure time-sensitive evidence is preserved. Early involvement may help ensure the matter is addressed appropriately.

I HAD AN ACCIDENT

Car Accident Statistics

The National Highway Traffic Safety Administration (NHTSA) reported a continued decline in traffic deaths during the first half of 2023. An estimated 19,515 people died in motor vehicle crashes, a 3.3 percent decrease from the 20,190 deaths recorded during the same period in 2022. This downward trend was observed in both the first and second quarters of the year.