LEWIS WAS TRAVELING NORTH ON HOGAN DAM ROAD, APPROACHING THE CALAVERAS RIVER BRIDGE AT AN UNKNOWN SPEED.  AS LEWIS WAS NEGOTIATING A CURVE TO HER RIGHT, SHE LOST CONTROL OF HER VEHICLE AND ALLOWED IT TO RUN OFF THE WEST SIDE OF THE ROAD AT THE SOUTH BRIDGE ABUTMENT.  LEWIS’ VEHICLE WENT OVER A TWENTY FOOT TALL CONCRETE WALL AND LANDED UPSIDE DOWN IN THE CALAVERAS RIVER, IN APPROXIMATELY THREE FEET OF WATER.  LEWIS WAS ABLE TO GET HERSELF OUT OF HER VEHICLE, BUT REQUIRED ASSISTANCE FROM THE CALAVERAS COUNTY SHERIFF’S DEPARTMENT SEARCH AND RESCUE DIVE TEAM TO GET OUT OF THE RIVER.  LEWIS WAS THEN TRANSPORTED TO THE UC DAVIS MEDICAL CENTER FOR TREATMENT OF MAJOR INJURIES.  PERSONNEL FROM CALAVERAS CONSOLIDATED FIRE PROTECTION DISTRICT, CALFIRE, AND CLEMENTS FIRE DEPARTMENT ALSO ASSISTED IN LEWIS’ RESCUE.