| Okoboji Bridge | |
| U.S. National Register of Historic Places | |
  Show map of Iowa Show map of the United States | |
| Location | 180th Ave. over a branch of the Little Sioux River |
|---|---|
| Nearest city | Milford, Iowa |
| Coordinates | 43°15′39″N 95°13′46″W / 43.26083°N 95.22944°W / 43.26083; -95.22944 |
| Area | less than one acre |
| Built | 1909 |
| Built by | Clinton Bridge and Iron Works |
| Architectural style | Pratt/Warren pony truss |
| MPS | Highway Bridges of Iowa MPS |
| NRHP reference No. | 98000789 |
| Added to NRHP | June 25, 1998 |
The Okoboji Bridge is located southwest of Milford, Iowa, United States. The 83-foot (25 m) span carried traffic on 180th Avenue over a branch of the Little Sioux River. The Dickinson County Board of Supervisors hired a local contractor to build a bridge across the straits between East and West Okoboji Lakes in 1859. The wooden structures had to be rebuilt in 1874–1875. There was a desire for a drawbridge at this point to allow for steamboats to navigate between the lakes. Three different swing spans were built at this location in the 19th century. When the third span deteriorated the board of supervisors contracted with the Clinton Bridge and Iron Works of Clinton, Iowa to build a permanent span here in June 1909. The Pratt/Warren pony truss structure was completed later that year for $1,550. The bridge and the road were incorporated into the U.S. Highway System, and it was placed under the aegis of the Iowa State Highway Commission. In 1929 it was replaced with a fixed-span concrete girder structure. At that time the 1909 truss span was moved to Okoboji Township to span a branch of the Little Sioux River. It was listed on the National Register of Historic Places in 1998. The span has subsequently been abandoned.
References
- ^ "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
- ^ Fraser, Clayton B. "Okoboji Bridge". National Park Service. Retrieved 2016-05-30. with one photo from 1991
- "Okoboji Bridge". Iowa Department of Transportation. Retrieved 2016-05-30.
External links
- Historic American Engineering Record (HAER) No. IA-40, "Okoboji Bridge, Spanning Strait betweent [sic] East & West Okoboji Lakes, U.S. Highway 71, Okoboji, Dickinson County, IA", 15 photos, 16 data pages, 1 photo caption page documenting 1929 bridge
| U.S. National Register of Historic Places | |
|---|---|
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| National Register of Historic Places in Dickinson County, Iowa | ||
|---|---|---|
| Arnolds Park |  | |
| Lake Park | ||
| Milford | ||
| Spirit Lake | ||
| See also: National Register of Historic Places listings in Dickinson County, Iowa and List of National Historic Landmarks in Iowa | ||
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- Bridges completed in 1909
- Transportation buildings and structures in Dickinson County, Iowa
- Truss bridges in Iowa
- Road bridges on the National Register of Historic Places in Iowa
- National Register of Historic Places in Dickinson County, Iowa
- Pratt truss bridges in the United States
- Warren truss bridges in the United States
- 1909 establishments in Iowa
- Northwest Iowa Registered Historic Place stubs
- Iowa bridge (structure) stubs