While traveling home on a paved county road, I was approaching an intersection where the current road I was on makes a right hand, 90 degree, turn and comes to a stop sign where the road adjoins another highway. Approximately 350 ft prior to where the road turns right and comes to the stop sign, I turned off my cruise control in preparation of slowing down and navigating the right had turn. At this time, I noticed that I was unable to move my steering wheel in either left or right direction. The steering seemed very stiff or sticky. I focused my attention inside the vehicle, looking for any lights or indications as to what was taking place in an attempt to regain control of the vehicle. I was unable to regain control of the vehicle and the vehicle continued straight, unable to navigate the right turn. While exiting the road, I contacted a right turn arrow sign and proceeded through the grass and down a slight hill. Although the steering was very stiff, I was able to navigate the vehicle slightly right. I came in contact with an embankment at the bottom of the slight hill. This embankment leads up to the highway that I would have been stopping at if I had been able to make the right turn and come to the stop sign. My momentum carried me up the embankment and across the highway. The vehicle finally came to a stop in the ditch on the opposite side of the highway that I had crossed. I'm simply reporting this incident to the NHTSA because I feel there needs to be a sens