KNUCKLE BROKE AT TIE ROD WHEN ENTERING A TURN ON THE HIGHWAY AT APPROXIMATELY 55 MPH CAUSING SPIN OUT AND ACCIDENT BETWEEN VEHICLE AND SEMI. WHEN ENTERING TURN HIT SOME SLUSH FELT SOMETHING FUNNY THEN VEHICLE LOST CONTROL. THERE IS NO DAMAGE ON THE WHEEL OR TIRE ALL CONTACT FROM CRASH AT FRONT OF VEHICLE IS AT SIDE VIEW MIRROR TO THE TOP OF THE HEADLIGHT. THE ROADS ARE SMOOTH WITH NO POT HOLES, CRACKS OR DAMAGE OF ANY KIND. THE SURFACE WAS WET. THE VEHICLE DID NOT LEAVE THE ROAD SURFACE.