I WAS DRIVING ON HWY AND I WENT TO GO AROUND A CURVE AND MY STEERING WHEEL LOCKED UP I WENT OFF THE ROAD AND CAME TO A STOP LOOKING UP AT THE BRIDGE. WHEN I WENT OFF THE ROAD MY TRUCK HIT A HILL (IT HIT AROUND BY MY RADIATOR) MY TRUCK THEN FLIPPED AND THEN HIT ANOTHER HILL (HIT BY MY RADIATOR AGAIN) AND CAME TO A STOP. MY AIRBAG DIDNT NOT DEPLOY UNTIL MY TRUCK STOP MOVING. AND MY SEAT BELT DID NOT LOCK ME IN PLACE. I WAS SLUNG AROUND MY FRONT SEAT. I HAD TO TRY TO HOLD MYSELF IN MY SEAT WITH MY LEGS (PUSHING UP ON MY STEERING WHEEL) I HIT MY HEAD ON MY STEERING WHEEL, MY WINDOW AND MY ROOF.I HAVE A CRACKED FEMUR FROM MY STEERING WHEEL. AND 2 COMPRESSED DISKS IN MY BACK.. WHEN I REALIZED MY TRUCK WASNT TURNING INTO THE CURVE I HIT MY BRAKES BUT IT DIDNT DO ANYTHING BC MY TIRES CAME OFF THE GROUND AND WHEN IT STOPPED I WAS ON THE CREEK BANK.