Rockbridge is an unincorporated community in northern Ozark County, Missouri, United States. It is the site of an old mill on spring-fed Spring Creek, a tributary of Bryant Creek, which still houses the post office. It lies twelve miles north of Gainesville on Missouri Route N, approximately one-half miles north of Route 95. The narrow valley floor is only about 650 feet wide and at an elevation of 770 feet and the Ozark ridges on either side are 200 to 250 feet higher.