RedactedNarrative: OPERATOR OF VESSEL # 1 WAS TRAVELING IN A SOUTHEAST DIRECTION FROM RILEY CREEK WHEN COLLIDING WITH VESSEL # 2, WHO WAS TRAVELING IN A WESTERLY DIRECTION FROM LYNDEN BELL BRIDGE. BOTH OPERATORS STATED THAT NAVIGATIONAL LIGHTS WERE USED AT TIME OF COLLISION AND BOTH WERE IN OPERABLE CONDITION. PRIOR TO IMPACT VESSEL # 1 TURNED TO THE RIGHT AND VESSEL # 2 TURNED TO THE LEFT TO AVOID DIRECT IMPACT. VESSELS GLANCED OFF EACH OTHER AND BOTH RECEIVED SUBSTANTIAL DAMAGE TO IMPACT SIDES OF HULLS.