| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Bostick Road Bridge | Bostick Road over St. Marys River | Closed to traffic | Whipple through truss | 1894 | -- | 165.0 ft. | 173.8 ft. |
| Columbia Street Bridge | Columbia Street over Maumee River | Open to traffic | Arch | 1923 | -- | 99.0 ft. | 415.9 ft. |
| Conrad Ditch IN 1 Bridge | IN 1 over Conrad Ditch | Open to traffic | Arch | 1941 | -- | 24.9 ft. | 26.9 ft. |
| Dawkins Road Bridge | Dawkins Road over Martin Ditch | Open to traffic | Arch | 1947 | -- | 24.9 ft. | 27.9 ft. |
| Durnell Ditch Bridge | West Jefferson over Durnell Ditch | Open to traffic | Arch | 1948 | -- | 35.1 ft. | 37.0 ft. |
| Fourth Street Bridge | Fourth Street over Spy Run Creek | Open to traffic | Arch | 1921 | -- | 56.1 ft. | 100.0 ft. |
| Hamilton Road Bridge | Hamilton Road over Eight Mile Creek | Open to traffic | Through truss | 1883 | -- | 115.1 ft. | 121.0 ft. |
| Harrison Street (Lincoln Highway) Bridge | Harrison Street over St. Marys River | Open to traffic | Stringer | 1915 | -- | 95.8 ft. | 369.8 ft. |
| Main Street Bridge | Main Street over St. Marys River | Open to traffic | Arch | 1921 | -- | 104.0 ft. | 303.0 ft. |
| Marion Center Road Bridge | Marion Center Road over St. Marys River | Open to traffic | Whipple through truss | 1879 | -- | 166.0 ft. | 176.8 ft. |
| Parnell Avenue Bridge | Parnell Avenue over St. Joseph River | Open to traffic | Arch | 1927 | -- | 105.0 ft. | 220.1 ft. |
| Rebecca Knight Drain Bridge | South County Line over Rebecca Knight Drain | Open to traffic | Pony truss | ca. 1910 | -- | 77.0 ft. | 84.0 ft. |
| Rose Avenue Bridge | Rose Avenue over Martin Ditch | Open to traffic | Arch | 1945 | -- | 24.9 ft. | 27.9 ft. |
| State Boulevard Bridge | State Boulevard over St. Joseph River | Open to traffic | Arch | 1919 | -- | 89.8 ft. | 292.9 ft. |
| Tecumseh Street Bridge | Tecumseh Street over Maumee River | Open to traffic | Arch | 1913 | -- | 109.9 ft. | 310.9 ft. |
| Tennessee Avenue Bridge | Tennessee Avenue over St. Joseph River | Open to traffic | Arch | 1912 | -- | 105.0 ft. | 220.1 ft. |
| Tonkel Road Bridge | Tonkel Road over Ely Run | Open to traffic | Arch | ca. 1940 | -- | 27.9 ft. | 33.1 ft. |
| Trier Ditch IN 930 Bridge | IN 930 over Trier Ditch | Open to traffic | Arch | ca. 1930 | -- | 64.9 ft. | 94.8 ft. |
| Trier Ditch Old US 24 Bridge | Old US 24 over Trier Ditch | Open to traffic | Arch | 1936 | -- | 64.9 ft. | 106.9 ft. |
| Van Zile Road Bridge | Van Zile Road over St. Joseph River | Open to traffic | Whipple through truss | 1883 | -- | 169.9 ft. | 178.1 ft. |
| Wells Street Bridge | Wells Street over St. Marys River | Open to pedestrians only | Whipple through truss | 1884 | -- | -- | -- |
| West Jefferson Blvd. Bridge | West Jefferson Blvd. over St. Marys River | Open to traffic | Arch | 1934 | -- | 64.9 ft. | 204.0 ft. |