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Hancock County
| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|
| 140th Street Bridge | 410 140th Street over Boone River | Open to traffic | Concrete pony/through girder | 1927 | -- | 24.9 | 50.9 |
| 190th Street Bridge | Fm 330 190th Street over Boone River | Open to traffic | Concrete pony/through girder | 1925 | -- | 36.1 | 37.1 |
| 7th Street Footbridge | 7th Street Footpath over Winnebago River | Open to pedestrians only | Warren pony truss | 1976 | -- | -- | -- |
| Boone River Bridge | 110th Street over Boone River | Replaced by a new bridge | Pony truss | 1917 | -- | 60.0 | 60.0 |
| Crane Avenue Bridge | 1870 Crane Avenue over Boone River | Open to traffic | Concrete pony/through girder | 1925 | -- | 40.0 | 41.0 |
| UP - Bridge #6.80 | Union Pacific Railroad over Tributary of East Branch Iowa River | Open to traffic | Steel stringer | 1896 | -- | 22.0 | 22.0 |
| UP - Bridge #8.59 | Union Pacific Railroad over East Branch Iowa River | Open to traffic | Deck plate girder | 1901 | -- | 48.0 | 48.0 |
| UP - Drainage Ditch #13 Bridge | Railroad over Drainage Ditch #13 | Open to traffic | Unknown | -- | -- | -- | -- |
| UP - Drainage Ditch 7 Bridge | Union Pacific Railroad over Drainage Ditch 7 | Open to traffic | Timber stringer | 1953 | -- | -- | 56.0 |
| UP - East Branch Iowa River Bridge | Union Pacific Railroad over East Branch Iowa River | Open to traffic | Deck plate girder | 1901 | -- | 40.0 | 245.0 |
| UP - Galls Creek Bridge | Union Pacific Railroad over Galls Creek | Open to traffic | Deck plate girder | 1901 | -- | 50.0 | 50.0 |
| UP - Small Stream Bridge | Union Pacific Railroad over Small Stream | Open to traffic | Stone culvert | -- | -- | 8.0 | 16.0 |
| UP Overpass | Union Pacific Railroad over Abandoned Chicago & North Western Railway | Open to traffic | Pony/through plate girder | 1903 | -- | 36.0 | 95.0 |