CONSUMER WAS TRAVELING ABOUT 50MPH ON HIGHWAY AND WAS APPROACHING A DIP IN THE ROAD, WENT ACROSS THE DIP, AND IMMEDIATELY HEARD A NOISE COMING FROM LEFT WHEEL. VEHICLE FELT LIKE LEFT SIDE WENT DOWN.HE TURNED STEERING WHEEL RIGHT, AND VEHICLE DIDN'T TURN. VEHICLE JUST LOCKED DOWN IN POSITION. WENT INTO A WATER DITCH, HIT ENBANKMENT, AND WENT UP TO THE ENBANKMENT. WHEEL LUGS, BOLT: NUTS CAME OFF. THERE WERE NO INJURIES. *AK TIE ROD ON DRIVERSIDE BROKE. *YH