(Vancouver, WA)  --  Authorities say a woman is dead after the boat in which she was riding crashed into the Glenn Jackson Bridge.  The Multnomah County Sheriff's Office says the 18-to-20-foot boat was going about 45 miles an hour on the Columbia River when it hit a pylon on the north side of the bridge.  The woman, who was one of two people aboard the boat, died later at a hospital.  A man who was in the boat with the woman is expected to be fine.