The driver, Daryl Gissel of Monsey, was traveling east on the road when he hit an underpass wall and ran off the roadway, officials said.
The vehicle, a mid-size bus, had been converted into a camper, Lt. Mark Emma said.
Gissel was removed from the bus and transported to Westchester Medical Center with non-life threatening injuries, police said.
Click here to follow Daily Voice Ramapo and receive free news updates.