| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| 1st Avenue Bridge | 1st Avenue over North Fork Maquoketa River | Open to traffic | Arch | 1915 | -- | 76.1 ft. | 152.9 ft. |
| Branch Maquoketa River Bridge | US 52/IA 3 over Branch of Maquoketa River | Open to traffic | Closed-spandrel arch | 1931 | -- | 24.9 ft. | 25.9 ft. |
| Curran Branch Bridge | Local road over Curran Branch | Open to traffic | Pony truss | 1938 | -- | 60.0 ft. | 61.0 ft. |
| Eagle Point Bridge | US 151/US 61 over Mississippi River | Lost | Truss | 1901-1902 | 1983 | 378.3 ft. | 2000 ft. |
| Hewitt Creek Bridge | Local road over Hewitt Creek | Open to traffic | Pony truss | 1928 | -- | 60.0 ft. | 63.0 ft. |
| Johns Creek Bridge | Local road over Johns Creek | Open to traffic | Pony truss | 1926 | -- | 60.0 ft. | 63.0 ft. |
| Julien Dubuque Bridge | US 20 over Mississippi River | Open to traffic | Steel through arch | 1943 | -- | 845.2 ft. | 5761.8 ft. |
| Little Maquoketa River Bridge | Local road over Little Maquoketa River | Unknown status | Through truss | 1926 | -- | 100.0 ft. | 101.0 ft. |
| Little Maquoketa River Bridge | Local road over Little Maquoketa River | Unknown status | Through truss | ca. 1910 | -- | 90.0 ft. | 91.0 ft. |
| Little Maquoketa River Bridge | Local road over Little Maquoketa River | Open to traffic | Pony truss | 1937 | -- | 69.9 ft. | 73.2 ft. |
| Local Road Bridge | Local road over Unnamed creek | No longer exists | Pony truss | 1918 | 2001 | 45.9 ft. | 46.9 ft. |
| Local Road Bridge | Local road over Unnamed creek | No longer exists | Pony truss | ca. 1910 | 2001 | 29.9 ft. | 32.2 ft. |
| Local Road Bridge | Local road over Unnamed creek | No longer exists | Pony truss | 1923 | 2002 | 40.0 ft. | 41.0 ft. |
| Maquoketa River Bridge | Local road over Maquoketa River | Open to traffic | Through truss | 1904 | -- | 80.1 ft. | 81.0 ft. |
| Middle Fork Little Maquoketa River Bridge | Local road over Middle Fork Little Maquoketa River | No longer exists | Through truss | 1915 | -- | 80.1 ft. | 81.0 ft. |
| Mississippi River US 61 Bridge | US 61/US 151 over Mississippi River | Open to traffic | Steel through arch | 1982 | -- | 670.3 ft. | 2950.9 ft. |
| North Fork Little Maquoketa Bridge | Local road over North Fork Little Maquoketa | Unknown status | Pony truss | 1937 | -- | 60.0 ft. | 62.0 ft. |
| North Fork Little Maquoketa River Bridge | Local road over North Fork Little Maquoketa River | Open to traffic | Pony truss | 1901 | -- | 40.0 ft. | 42.0 ft. |
| North Fork Maquoketa River Bridge | Local road over North Fork Maquoketa River | Open to traffic | Through truss | ca. 1920 | -- | 100.1 ft. | 101.1 ft. |
| North Fork Maquoketa River Bridge | Local road over North Fork Maquoketa River | Open to traffic | Pony truss | ca. 1930 | -- | 60.0 ft. | 62.0 ft. |
| Prairie Creek Bridge | Local road over Prairie Creek | Open to traffic | Pony truss | ca. 1930 | -- | 69.9 ft. | 72.2 ft. |
| Prairie Creek Bridge | Local road over Prairie Creek | Open to traffic | Through truss | 1901 | -- | 80.1 ft. | 81.0 ft. |
| Side Ditch Entrance Bridge | Entrance road over Side Ditch | Open to traffic | Pony truss | 1900 | -- | 29.9 ft. | 29.9 ft. |
| South Fork Catfish Creek Bridge | Local road over South Fork Catfish Creek | Open to traffic | Pony truss | 1926 | -- | 39.0 ft. | 39.0 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Closed to all traffic | Pony truss | 1912 | -- | 48.0 ft. | 49.0 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | No longer exists | Pony truss | 1912 | -- | 34.1 ft. | 35.1 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | 1938 | -- | 42.0 ft. | 43.0 ft. |
| Washington Mill Bridge | Creek Branch Lane over Lytle Creek | Open to traffic on a dead-end road | Bowstring through truss | 1878 | -- | 113.2 ft. | 114.2 ft. |
| White Water Creek Bridge | Local road over White Water Creek | Open to traffic | Pony truss | ca. 1940 | -- | 49.9 ft. | 52.2 ft. |