The Adairs Covered Bridge, also known as Cisna Mill Covered Bridge, is a historic wooden covered bridge located at Southwest Madison Township near Blain in Perry County, Pennsylvania, United States.

It is a 150-foot-long (46 m), Burr Truss bridge, constructed in 1864 and rebuilt in 1919.

It crosses Shermans Creek.

[2] It was listed on the National Register of Historic Places in 1980.

[1] Media related to Adairs Covered Bridge at Wikimedia Commons