Armstrong Covered Bridge
Covered bridge over an unnamed creek at the City Park in Cambridge
Open to pedestrians only
Built 1849; relocated 1966

Cambridge Railroad Tunnel
Railroad tunnel just west of Cambridge
Still in use

Campbell Avenue Bridge
Pony truss bridge on Campbell Avenue in Cambridge
Open to traffic
Built 1958 by the Ohio Bridge Corp.; rehabilitated 1979

Indian Camp Covered Bridge
Covered bridge over Indian Camp Run on Covered Bridge Road (TR 611) just off OH 658
Open to one-lane traffic
Built 1855; rehabilitated 1999

Little Skull Fork Bridge
Lost pony truss bridge over Little Skull Fork on US 22
No longer exists
Built ca. 1930; rehabilitated 1977; replaced 2000

Manila Road Bridge
Stone arch bridge over Crooked Creek on Manila Road (CR 430)
Open to traffic
Built 1900

Rhinehart Road Bridge
Stone arch "S" bridge over Salt Fork Creek on TR 175 (Rhinehart Road)
Open to traffic
Built 1900

Salt Fork Bridge
Stone arch bridge over Salt Fork on CR 690
Unknown status

Wills Creek Bridge
Through truss bridge over Wills Creek on TR 186
Open to traffic
Built 1894 by the Wrought Iron Bridge Co.