| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Aichholz Ditch Bridge | CR 23 over Aichholz Ditch | Open to traffic | Pony truss | ca. 1940 | -- | 32.2 ft. | 35.1 ft. |
| Branch Wolf Creek TR 112 Bridge | TR 112 over Branch Wolf Creek | Open to traffic | Warren pony truss | 1925 | -- | 29.9 ft. | 34.1 ft. |
| East Branch Wolf Creek TR 109 Bridge | TR 109 over East Branch Wolf Creek | Open to traffic | Through truss | 1915 | -- | 50.9 ft. | 55.1 ft. |
| Ella Street Bridge | Ella Street over Sandusky River | Open to traffic | Closed-spandrel arch | 1914 | -- | 77.1 ft. | 295.9 ft. |
| Gailbraith Ditch TR 98 Bridge | TR 98 over Gailbraith Ditch | Open to traffic | Closed-spandrel arch | 1928 | -- | 22.0 ft. | 22.0 ft. |
| Good Ditch TR 132 Bridge | TR 132 over Good Ditch | Open to traffic | Closed-spandrel arch | 1928 | -- | 22.0 ft. | 24.0 ft. |
| Honey Creek Bridge | CR 16 over Honey Creek | Unknown status | Through truss | -- | -- | 132.9 ft. | 139.1 ft. |
| Honey Creek CR 6 Bridge | CR 6 over Honey Creek | Open to traffic | Closed-spandrel arch | 1915 | -- | -- | 146.0 ft. |
| Honey Creek TR 58 Bridge | TR 58 over Honey Creek | Open to traffic | Pratt through truss | 1890 | -- | 88.9 ft. | 92.9 ft. |
| Honey Creek TR 58 Bridge | TR 58 over Honey Creek | Open to traffic | Truss | 1911 | -- | -- | -- |
| Honey Creek TR 88 Bridge | TR 88 over Honey Creek | Open to traffic | Closed-spandrel arch | 1915 | -- | -- | 146.0 ft. |
| Huss Street Bridge | Huss Street over Willow Creek | Open to traffic | Closed-spandrel arch | 1914 | -- | 25.9 ft. | 44.9 ft. |
| Huss Street Bridge | Huss Street over Willow Creek | Open to traffic | Closed-spandrel arch | 1914 | -- | 31.2 ft. | 40.0 ft. |
| Indian Creek TR 75 Bridge | TR 75 over Indian Creek | Open to traffic | Closed-spandrel arch | 1950 | -- | 22.0 ft. | 32.2 ft. |
| Riverside Street Bridge | Riverside Street over Rock Creek | Open to traffic | Closed-spandrel arch | 1929 | -- | 86.0 ft. | 117.1 ft. |
| Rock Creek CR 36 Bridge | CR 36 over Rock Creek | Open to traffic | Truss | 1903 | -- | -- | -- |
| Rock Creek OH 18 Bridge | OH 18 (Market Street) over Rock Creek | Open to traffic | Closed-spandrel arch | 1929 | -- | 55.1 ft. | 55.1 ft. |
| Rock Creek OH 19 Bridge | OH 19 over Rock Creek | Open to traffic | Closed-spandrel arch | 1916 | -- | 40.0 ft. | 40.0 ft. |
| Rock Creek TR 165 Bridge | TR 165 over Rock Creek | Open to traffic | Pratt pony truss | 1919 | -- | -- | 40.0 ft. |
| Sandusky River Bridge | CR 51 over Sandusky River | Unknown status | Through truss | 1924 | -- | 321.9 ft. | 331.1 ft. |
| Sandusky River Bridge | CR 33 over Sandusky River | Replaced by a new bridge | Parker through truss | 1897 | 1996 | 208.0 ft. | 217.9 ft. |
| Sandusky River Bridge | TR 143 over Sandusky River | Open to traffic | Camelback through truss | 1914 | -- | 198.2 ft. | 204.1 ft. |
| Seneca County Road 52 Bridge | Bridge on CR 52 | Open to traffic | Arch | 1928 | -- | -- | 25.9 ft. |
| Township Road 185 Bridge | Bridge on TR 185 | Open to traffic | Closed-spandrel arch | 1926 | -- | 20.0 ft. | 23.0 ft. |
| TR 73 Bridge | Bridge on TR 73 | Open to traffic | Concrete through arch | 1928 | -- | -- | -- |
| Wolf Creek CR 60 Bridge | CR 60 over Wolf Creek | Open to traffic | Closed-spandrel arch | 1938 | -- | 50.9 ft. | 53.2 ft. |
| Wolf Creek TR 116 Bridge | TR 116 over Wolf Creek | Open to traffic | Pratt pony truss | 1928 | -- | 43.0 ft. | 47.9 ft. |
| Wolf Creek TR 47 Bridge | TR 47 over Wolf Creek | Open to traffic | Warren pony truss | 1940 | -- | 48.9 ft. | 50.9 ft. |