Amy Suzette Fridley, 32, Muscatine, died Saturday, Sept. 14, 2002, at Unity Hospital after an extended illness.   Miss Fridley was born on March 9, 1970, in Muscatine, the daughter of Robert Fridley and Judy Reid Streat. She was a member of First Baptist Church and graduated from high school in 1991. Survived by her mother, Judy Streat and her husband, Gary, of Muscatine; her father, Robert Fridley and his wife, Mary Jane, of Muscatine; a sister, April Hatfield and her husband, Mark, of Muscatine; a niece, Tara Moore; and a nephew, Ian Hatfield. She was preceded in death by her maternal grandparents, Orville and Ruth Reid and paternal grandparents, Jake and Mildred Fridley.