The crash was reported at 1:30 p.m. in the 7300 block of state Route 47, according to the Darke County Sheriff’s Office.
On investigation, the sheriff’s office said Garke was driving a white 2017 Ram truck eastbound on Route 47 when the truck went left of center.
He crashed head-on into a 2016 Freightliner semi-truck traveling in the other direction.
Garke was pronounced dead at the scene, while the driver of the semi was taken to Wayne Hospital for non-life-threatening injuries, the sheriff’s office said.
The Darke County Coroner’s Officer and sheriff’s office were assisted at the scene by the Ohio Department of Transportation, Darke County Emergency Management and Ohio State Patrol Motor Carrier Enforcement.
The crash remains under investigation.