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Fond du Lac County
| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
| CN Fond du Lac River Bridge | Canadian National Railway over Fond du Lac River | Closed to all traffic | Quadrangular lattice through truss | -- | -- | -- | -- |
| Fountain Island Bridge | Pedestrian Walkway over Lakeside Creek | Open to pedestrians | Bowstring pony truss | 1870 | -- | 67.3 | 67.3 |
| Martin Road Bridge | Martin Road over UPRR (Formerly Chicago & Northwestern Railway) | Replaced by new bridge | Pony truss | 1910 | -- | 53.5 | 107.3 |
| Palm Tree Road Bridge | Palm Tree Road over Sheboygan River | Open to traffic | Stone arch | 1903 | -- | 18.4 | 147.6 |
| Promen Drive Bridge | Promen Drive over Lakeside Creek | Open to traffic | Closed-spandrel arch | 1927 | -- | 62.0 | 100.1 |
| Promen Drive Bridge | Promen Drive over Lakeside Creek | Open to traffic | Stringer | 1927 | -- | 41.3 | 42.7 |
| South Branch Manitowoc River Bridge | CTH HHH over South Branch Manitowoc River | Replaced | Stone arch | 1910 | -- | 30.8 | 30.8 |
| Walnut Road Bridge | Walnut Road over Sheboygan River | Open to traffic | Closed-spandrel arch | 1961 | -- | 7.9 | 33.1 |
| West Branch Milwaukee River Bridge | Main Street over West Branch Milwaukee River | Replaced by a new bridge | Steel arch | 1940 | -- | 25.9 | 51.8 |