Masontown Bridge (Fayette County, Pennsylvania) Built 1925; rehabilitated 1993 Through truss bridge over the Monogahela River on PA 21 in Masontown Open to traffic
North Fork Wheeling Creek Bridge (Greene County, Pennsylvania) Built 1930 Concrete arch bridge over North Fork Wheeling Creek on PA 21 Open to traffic
South Fork Wheeling Creek Bridge (Greene County, Pennsylvania) Built 1930 Concrete arch bridge over South Fork Wheeling Creek on PA 21 Open to traffic