The Concord Covered Bridge in Mableton/Smyrna, GA, is a historic 1872 structure spanning Nickajack Creek on Concord Road. Rebuilt after Civil War destruction, it is a key feature of a 19th-century mill complex (Ruff’s Mill) listed on the National Register of Historic Places. The one-lane, heart-pine bridge is still active, requiring regular rehabilitation to handle high traffic and vehicle strikes.