The Gottlieb Brown Covered Bridge, also known as the Sam Wagner Covered Bridge, is a historic wooden covered bridge located at Liberty Township near Potts Grove in Montour County, Pennsylvania and East Chillisquaque Township near Mooresburg in Northumberland County, Pennsylvania. It is an 86-foot, 8 inch long, Burr Truss bridge built in 1881. It crosses Chillisquaque Creek.