 Culkin retired from professional football in April 2005 due to a long-standing knee injury.Culkin came out of retirement after signing for Northern Premier League Division One North team Radcliffe Borough in August 2010.During the 2011–12 season, Culkin was placed in the NPL First Division North team of the Year, and was nominated for the Fans Player of the Year, losing out to Cheyenne Dunkley.