Bremer County, IOWA – ISP officials said the fatal accident occurred right after 8 p.m. Saturday.
It happened on Highway 218.
Iowa State Patrol troopers responded to a report of a crash.
The responding troopers discovered that the 52-year-old driver left the roadway and hit a semi trailer parked on the shoulder of the off ramp.
The 52-year-old man suffered life-threatening injuries and was pronounced dead.
He was later identified as Eric Stenseth.
The semi was not occupied, troopers said.
This incident remains under investigation.
This is a developing story and it will be updated as new information become available.