PA 18

Frankfort Road Bridge (Beaver County, Pennsylvania)
Built 1932
Concrete arch bridge over Traverse Creek on PA 18 (Frankfort Road)
Open to traffic

Frankfort Road Bridge (Beaver County, Pennsylvania)
Built 1932; rehabilitated 1977
Through truss bridge over Raccoon Creek on PA 18 (Frankfort Road)
Open to traffic

Mahoning River Bridge (Lawrence County, Pennsylvania)
Built 1932
Through truss bridge over Mahoning River on TR 395 (Old PA 18) in New Castle
Open to traffic

South Fork Tenmile Creek Bridge (Greene County, Pennsylvania)
Built ca. 1930; rehabilitated 1991
Concrete arch bridge over South Fork Tenmile Creek on PA 18
Open to traffic

South Fork Tenmile Creek Bridge (Greene County, Pennsylvania)
Built 1927; rehabilitated 1995
Concrete arch bridge over South Fork Tenmile Creek on PA 18
Open to traffic