Blanchard River Bridge Through truss bridge over Blanchard River on County Road 3 in Gilboa Unknown status Built 1886; rehabilitated 1972
County Road 6 Bridge Through truss bridge over Rilery Creek on County Road 6 Open to traffic Built 1893 by the Wrought Iron Bridge Co.
County Road P Bridge Pony truss bridge over Sugar Creek on County Road P Open to traffic Built 1896
County Road R Bridge Pony truss bridge over Plum Creek on County Road R in Columbus Grove Open to traffic Built 1955 by the Ohio Bridge Corp.; rehabilitated 1994
Little Auglaize River TR 25 Bridge Pony truss bridge over Little Auglaize River on TR 25 Open to traffic Built before 1900 by the Canton Bridge Co.
North Powell Creek Bridge Lost pony truss bridge over North Powell Creek on TR 20 No longer exists Replaced 2000
Ottawa River Bridge Through truss bridge over Ottawa River on County Road P Unknown status Built 1918