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
Closed to all 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