French Creek Bridge Through truss bridge over French Creek on PA 1015 (New Lebanon Road) Open to traffic Built 1898 by Columbia Bridge Works; rehabilitated 1990
Kidd's Mill Covered Bridge Covered bridge over Shenango River on Kidds Mill Road (TR 471) Open to pedestrians only Built 1868; rehabilitated 1990
Little Shenango Bridge Concrete arch bridge over Little Shenango on North Race Street in Greenville Open to traffic Built 1921; rehabilitated 1960
Little Shenango Creek Bridge Concrete arch bridge over Little Shenango Creek on PA 358 (Hadley Road) Open to traffic Built 1929; rehabilitated 1986
Little Shenango River Bridge Through truss bridge over Little Shenango River on PA 4006 (Porter Road) Open to traffic Built 1904; rehabilitated 1991
Little Shenango River Bridge Through truss bridge over Little Shenango River on TR 740 Open to traffic Built 1885 by Penn Bridge Co.
Nashannock Creek Bridge Through truss bridge over Nashannock Creek on TR 401 (Old Mercer Road) Open to traffic Built 1922
Neshannock Creek Bridge Pony truss bridge over Neshannock Creek on PA 2002 (Leesburg Road) Open to traffic Built 1927; rehabilitated 1990
Neshannock Creek Bridge Through truss bridge over Neshannock Creek on PA 2004 (Milburn Road) Open to traffic Built ca. 1880 by Wrought Iron Bridge Co.
Perry Highway Bridge Through truss bridge over Neshannock Creek on PA 19 (Perry Highway) Open to traffic Built 1928; rehabilitated 1975
Quaker Bridge Through truss bridge over Little Shenango River on PA 4006 (Williamson Road) Open to traffic Built 1898
Rodgers Road Bridge Wooden bridge over Conrail on TR 871 (Rodgers Road) Open to traffic Built ca. 1920
Shenango River Bridge Through truss bridge over Shenango River on TR 388 (Canal Road) in Sharpsville Open to traffic Built 1897 by Penn Bridge Co.
Shenango River Bridge Through truss bridge over Shenango River on Ohl Street in Greenville Open to traffic Built 1909 by Canton Bridge Co.; rehabilitated 1980
South Oakland Avenue Bridge Open-spandrel arch bridge over PA 62 (Connely Blvd.) on S. Oakland Avenue in Sharon Open to traffic Built 1936; rehabilitated 1979
West Middlesex Bridge Deck truss bridge over Shenango River on PA 318 in West Middlesex Open to traffic Built 1941; rehabilitated 1982
Wolf Creek Bridge Pony truss bridge over Wolf Creek on PA 208 (North Street) in Grove City Open to traffic Built 1935; rehabilitated 1982
Wolf Creek Bridge Pony truss bridge over Wolf Creek on TR 413 Open to traffic Built 1953
Wolf Creek Bridge Open-spandrel arch bridge over Wolf Creek on Chestnut Street in Grove City Open to traffic Built 1930; rehabilitated 1994