Covered bridges (173) in the state of Ohio. County/comté/grafschaft/县 Adams 35-01Ashland 35-03Ashtabula 35-04Athens 35-05Auglaize 35-06Belmont 35-07Brown 35-08Buttler 35-09Carrol 35-10Clermont 35-13Clinton 35-14Columbiana 35-15Coshocton 35-16Cuyahoga 35-18Delaware 35-21 Licking 35-45Logan 35-46Lucas 35-48Madison 35-49Mahoning 35-50Marion 35-51Miami 35-55Monroe 35-56Montgomery 35-57Morgan 35-58Muskingum 35-60Noble 35-61Ottawa 35-62Perry 35-63Pickaway 35-65 Fairfield 35-23Franklin 35-25Geauga 35-28Green 35-29Guernsey 35-30Hamilton 35-31Hancock 35-32Harrison 35-34Highland 35-36Holmes 35-38Jackson 35-40Jefferson 35-41Knox 35-42Lake 35-43Lawrence 35-44 Preble 35-68Ross 35-71Sandusky 35-72Scioto 35-73Summit 35-77Trumbull 35-78Union 35-80Vinton 35-82Washington 35-84Wayne 35-85Williams 35-86Wyandot 35-88