| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|---|---|---|---|---|---|---|
| 100th Avenue Bridge | 100th Avenue over West Branch Little Sioux River | Open to traffic | Stringer | 1910 | -- | 29.9 | 32.2 |
| 110th Street Bridge | 110th Street over Little Sioux River | Open to traffic | Warren pony truss with all verticals | ca. 1910 | -- | 65.0 | 66.9 |
| 110th Street Bridge (Old) | 110th Street over Little Sioux River | No longer exists | Queenpost pony truss | 1910 | 1999 | 49.9 | 51.8 |
| 180th Street Bridge | 180th Street over Little Sioux River | Open to traffic | Warren pony truss with all verticals | ca. 1920 | -- | 80.1 | 83.0 |
| Calumet Street Bridge | Calumet Street over West Lake Okoboji Outlet | Replaced by an arch culvert in 1998 | Warren pony truss | ca. 1910 | -- | 47.9 | 51.8 |
| East Hottes Lake Outlet Stone Arch | Footpath over East Hottes Lake Outlet/Buffalo Run | No longer exists | Stone arch | 1880 | -- | -- | -- |
| Great Lake Spine Trail - Lake Okoboji Bridge | formerly a railroad line between Spirit Lake and Milford, now a bike trail over Strait between East and West Lake Oboji | Open to pedestrians | Deck plate girder | 1890 | -- | 84.0 | -- |
| IANW - Spirit Lake Outlet Stone Culvert | Iowa Northwestern Railroad over Spirit Lake Outlet | Derelict/abandoned | Stone culvert | -- | -- | -- | -- |
| Lakeshore Drive Bridge #1 | Lakeside Avenue over Unnamed creek | Replaced by new bridge | Stringer | 1915 | 2008 | 30.8 | 33.1 |
| Lakeshore Drive Bridge #2 | Lakeshore Drive over West Branch Canal | Open to traffic | Closed-spandrel arch | 2008 | -- | 42.0 | 42.0 |
| Lakeshore Drive Bridge #2 (Old) | Lakeshore Drive over West Branch Canal | Replaced by a closed spandrel concrete arch bridge | Queenpost pony truss | 1896 | 2008 | 39.0 | 41.0 |
| Little Sioux River Bridge | 120th Street over Little Sioux River | No longer exists | Pony truss | ca. 1910 | 1999 | 64.0 | 65.0 |
| Okoboji Bridge | 180th Avenue over Branch Little Sioux River | Bridge is privately owned by Parks Marina in Okoboji, awaiting re-erection over a pond on the grounds | Other pony truss | 1909 | -- | 80.0 | 83.0 |
| Okoboji Bridge | US 71 & IA 9 over Okoboji Lake | Open to traffic | Concrete deck girder | 1929 | -- | 39.0 | 64.0 |
| Okoboji Swing Bridge | Okoboji Road over Okoboji Lake | Replaced by a new bridge | Timber stringer | 1883 | 1909 | -- | -- |
| Old 220th Street Arch | Old alignment of 220th Street over Little Sioux River | Abandoned | Closed-spandrel arch | -- | -- | -- | -- |
| Orleans Bridge | Iowa Great Lakes Bike Trail over Spirit Lake Outlet | Open to pedestrians and bicyclists only | Bowstring pony truss | -- | -- | -- | -- |
| Sandbar Slough Crossing (New) | M 56 (270th Ave.) over Sandbar Slough east of Big Spirit Lake | Open to traffic | Closed-spandrel arch | 2001 | -- | -- | 0.5 |
| Sandbar Slough Crossing (Old) | 270th Place over Sandbar Slough | Open to traffic | Pratt pony truss | 1915 | -- | 40.0 | 43.0 |
| Spirit Lake Bridge | US 71 over East Okoboji Lake | Open to traffic | Concrete tee beam | 1939 | -- | 39.0 | 64.0 |
| Tatonka Ska Trace Trail - Little Sioux River Bridge | abandoned railroad (former IANW) over Little Sioux River | Derelict/abandoned with rails removed | Timber stringer | -- | -- | 14.0 | 252.0 |
| Tatonka Ska Trace Trail - Unnamed Creek Bridge | Tatonka Ska Trace Trail over Tributary West Branch Little Sioux River | Open to traffic | Steel stringer | 1902 | -- | 25.0 | 25.0 |
| Tatonka Ska Trace Trail - West Branch Little Sioux River Arch | Tatonka Ska Trace Trail over West Branch Little Sioux River | Derelict/abandoned with rails removed | Brick arch | 1900 | -- | 35.0 | 35.0 |
| Tatonka Ska Trace Trail - West Fork Little Sioux River Bridge | Tatonka Ska Trace Trail over West Fork Little Sioux River | Awaiting Opening as Iowa Great Lakes Trail | Deck plate girder | 1902 | -- | 50.0 | 100.0 |
| Unnamed Creek Bridge | 250th Street over Ditch No 61 | Open to traffic | Pratt pony truss | 1914 | -- | 44.9 | 47.9 |
| West Lake Okoboji Outlet Bridge | Harper Street over West Lake Okoboji Outlet | Open to traffic | Concrete culvert | 1998 | -- | 20.0 | 20.0 |