The Mt. Olive Road Covered Bridge is a historic covered bridge in Vinton County, Ohio, United States. Located northeast of Allensville, the bridge carries Mt. Olive Road through a valley in northwestern Vinton County. In the earliest days of white settlement of southern Ohio, the Mt. Olive Road was a major transportation artery; until about 1825, it was heavily used by travellers between Marietta and Chillicothe.