She served as Speaker of the Colorado House of Representatives from 2003 to 2005, the first woman elected to the position.

She graduated from Fort Morgan High School in 1964 and then had a 29-year career with AT&T, starting as an operator and retiring as an assistant vice president.

[2] In September 1997, a vacancy committee appointed Spradley, who then resided in Beulah, to represent House District 44 (Custer, Fremont, Pueblo, and Teller counties) in the Colorado House of Representatives following the resignation of Larry Schwarz.

[1] After serving in the House of Representatives, Spradley and her husband retired to Huerfano County.

[4] She also serves on the Huerfano County Economic Development Board of Directors,[5] and in 2018 Spradley was elected to serve on the Board of Directors of the Huerfano County Hospital District,[6] which operates the Spanish Peaks Regional Health Center west of Walsenburg.