The Kidd's Mills Covered Bridge Historic District is a national historic district that is located in Pymatuning Township, Mercer County, Pennsylvania.
It was added to the National Register of Historic Places in 1974.
This district includes two contributing sites and one contributing structure. The Kidd's Mills Covered Bridge is an historic wooden covered bridge that was built in 1868. It is a rare example of a Smith Cross Truss bridge in the eastern United States. The district also includes the sites of two grist mills.