The South Salem Covered Bridge is a historic covered bridge in northwestern Ross County, Ohio, United States.

[2] The bridge is a wooden Smith truss bridge, built in 1873 according to a design patented by Ohioan Robert Smith in the late 1860s.

Eight wooden panels wide, it rests on stone abutments and is covered with a metal roof.

[1] Key to its significance is its unique status: all other covered bridges in Ross County have been destroyed, leaving the South Salem bridge standing alone.

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