The Macomb County Sheriff’s Office identified the man as Steven Bowden of China Township.
Witnesses told police that two motorcyclists were traveling together around 8:30 p.m. when both riders tried exiting the freeway at North River Road at the same time. Bowden's 2010 Harley Davidson then ran off the exit ramp, striking a directional arrow sign to the left, according to the Sheriff's Office.
No other vehicles were involved in the accident.
Bowden, who was not wearing a helmet, was taken to McLaren Macomb Hospital in Mount Clemens, where he was pronounced dead, the Sheriff's Office.
The crash remains under investigation.