LST-551 was laid down on 15 January 1944 at Evansville, Indiana, by the Missouri Valley Bridge and Iron Company. She was launched on 11 March 1944, sponsored by Mrs. H. Edward Lannan, and commissioned on 14 April 1944.
During World War II, LST-551 was assigned to the European Theater of Operations and participated in the Operation Dragoon the invasion of southern France, in August and September 1944. Following the war, LST-551 performed occupation service in Europe until early July 1945. She then served with Amphibious Force, United States Atlantic Fleet, until she was decommissioned on 10 June 1955.
While out of commission, LST-551 was renamed USS Chesterfield County (LST-551) on 1 July 1955.
Chesterfield County was recommissioned on 21 December 1965 and operated on the Brown Waters Vietnam in 1966 and 1967 during the Vietnam War. Decommissioned once again in 1968, she was struck from the Naval Vessel Register on 1 June 1970 and sold to Mitsui and Company of Japan in February 1971 for scrapping.
LST-551 earned one battle star for World War II service and Chesterfield County earned two battle stars for Vietnam War service.