County Road P Bridge Pony truss bridge over Sugar Creek on County Road P Open to traffic Built 1896
County Road R Bridge[Map] 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
Gilboa Bridge[Map] Through truss bridge over Blanchard River on County Road 3 in Gilboa Bypassed with a new bridge to the East and retained for pedestrian use. Built 1886; rehabilitated 1972
Little Auglaize River TR 25 Bridge[Map] Pony truss bridge over Little Auglaize River on TR 25 Bypassed with a new bridge but retained. Built before 1900 by the Canton Bridge Co.
Mallaham Bridge[Map] Bowstring pony truss bridge over Riley Creek on Township Road M-6 Open to traffic Built 1876 by the D.H. Morrison
North Powell Creek Bridge[Map] Lost pony truss bridge over North Powell Creek on TR 20 No longer exists Replaced 2000
Ottawa River Bridge[Map] Through truss bridge over Ottawa River on County Road P Removed Built 1913; removed 1998-99
Riley Creek CR6 Bridge[Map] Lost through truss bridge over Riley Creek on County Road 6 Removed and replaced Built 1893 by the Wrought Iron Bridge Co.
Riley Creek TR K-6 Bridge Pony truss bridge over Riley Creek on TR K-6 Open to traffic Built 1900; rehabilitated 1973
Township Road 18A Bridge[Map] Pony truss bridge over North Powell Creek on Township Road 18A Open to traffic Built ca.1870's by D.H. Morrison
Township Road 19-A Bridge[Map] Lost pony truss bridge over North Powell Creek on Township Road 19-A Replaced by a new bridge Built 1898 by the New Columbus Bridge Co.
Township Road 23 Bridge[Map] Pony truss bridge over South Powell Creek on Township Road 23 Open to traffic Built 1900; rehabilitated 2001
Township Road G Bridge[Map] Closed-spandrel arch bridge on Township Road G Open to traffic Built 1916 by the The Wynkoop-Mcgormley Co.
Township Road M Bridge Pony truss bridge over Little Auglaize River on Township Road M Open to traffic Built 1900
Township Road R-23 Bridge[Map] Pony truss bridge over Little Auglaize River on Township Road R-23 Lost Built 1900
Township Road S Bridge Pony truss bridge over Sugar Creek on Township Road S Open to traffic Built 1900; rehabilitated 1968
Township Road U-13 Bridge[Map] Pony truss bridge over Sugar Creek on Township Road U-13 Open to traffic Built 1955; rehabilitated 1955
Wayne Street Bridge Pony truss bridge over Plum Creek on Wayne Street Closed to all traffic Built 1900