Grundy County Sheriff Rick Penning said he doesn't know what caused a 20-year-old man to veer off the road into a ditch, killing him sometime before 9 a.m. Sunday.
Grundy County Sheriff's Office and Reinbeck Fire Department and Ambulance responded to a call that a pickup truck traveling westbound on 250th Street had ended up in a ditch after the driver failed to navigate a curb.
Penning said the driver veered into the ditch on Y Avenue, about three miles northeast of Reinbeck, rolling his truck. The impact ejected him from the driver's side of his vehicle, killing him. Skid marks painted the road near the ravine.
"It was a deep ditch," Penning said. "He did see the curb, but by then it was too late and he couldn't navigate it."
A group of farmers driving to combine beans called in the one-vehicle collision. While the pickup's engine was on, Penning said police still don't know how long the man was in the ditch before they arrived at 9 a.m. Sunday. By time police got there, the man was already dead.
The Grundy County Medical Examiner was on scene and will perform an autopsy to attempt to discover the circumstance which led to the man's death.
Although there was alcohol containers in the truck, Penning said it is unknown whether the man had been drinking, and police will have to wait for the autopsy to be complete.
"There are a lot of unknowns at this time," he said.
The incident remains under investigation.