DRIVING 2017 DODGE RAM 2500 4X4 ON PAVED RURAL ROADWAY TRAVELING 50MPH WHEN STEERING WHEEL LOST TENSION AND WOULD NOT STEER APPROPRIATELY. VEHICLE BEGAN TO LOSE TRACTION AND CORRECTION WAS NOT POSSIBLE. WHILE WHEN DRIVER ATTEMPTED TO BRAKE, BRAKE PEDAL WAS PRESSED FIRMLY AND DID NOT BRAKE. VEHICLE MAINTAINED SPEED DUE TO BRAKE FAILURE AND STEERING, VEHICLE WENT INTO SIDE SKID FOR 100 YARDS BEFORE HITTING DEEP DITCH AND ROLLING VERTICALLY INTO DITCH LANDING ON WHEELS. ACCIDENT RESULTED IN INJURIES TO BOTH DRIVER AND PASSENGER.