I WAS TRAVELING SOUTH ON SUMMIT CROSSING RD. FREDERICKSBURG VA. 22408 AT APPROX.45 MIL.PER HR. ,WHEN I HEARD A BIG BANG ,THE STEERING LOCKED ,THE VEHICLE WENT DIRECTLY HARD LEFT,AND STRUCK LARGE TREES DESTROYING THE FRONT END. ABOUT 3 MINUTES AFTER THE CRASH THE STEERING WHEEL AIR BAG WENT OFF IN MY FACE.I EXITED THE VEHICLE TO FIND A DAMAGED FRONT WHEEL AND BROKEN AXLE ASSEMBLY NEAR THE VEHICLE.