UMATILLA COUNTY, Ore. — A Washington man was arrested on multiple charges, including driving under the influence of intoxicants, after a fiery rollover crash on Interstate 84 in Umatilla County left four people injured Thursday morning.
According to the Oregon State Police, the crash occurred at approximately 8:27 a.m. on July 16, 2026, on eastbound Interstate 84 near milepost 207.
The preliminary investigation found that a gray Dodge Durango, driven by Cullen Michael Derr, 38, of Battle Ground, Washington, was traveling eastbound while towing a custom-built utility trailer when, for reasons still under investigation, the SUV left the roadway. The vehicle rolled multiple times before catching fire.
Investigators said three passengers were ejected during the crash, including a 24-year-old woman, a 15-year-old boy, and a 9-month-old infant. Derr, along with all three passengers, was transported to a local hospital. Due to the severity of their injuries, the three passengers were later transferred to hospitals in Oregon and Washington for advanced medical treatment.
Following the investigation, Derr was arrested and lodged at the Umatilla County Jail. He faces charges of driving under the influence of intoxicants (DUII), reckless driving, three counts of reckless endangering another person, and three counts of third-degree assault.
Eastbound Interstate 84 was impacted for approximately one hour while emergency crews investigated the crash and cleared the scene.
The Oregon State Police were assisted by the Pendleton Police Department, Pendleton Fire & Ambulance, the Umatilla County Sheriff’s Office, and the Oregon Department of Transportation.
The cause of the crash remains under investigation.
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