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The Washington Avenue Bridge in
Iowa Falls, Iowa Iowa Falls is a city in Hardin County, Iowa, United States. Iowa Falls is the home of Ellsworth Community College. It is also a regional transportation center, located along U.S. Routes 20 and 65 and the Canadian National and Union Pacific Rai ...
is an attractive concrete two-span
open spandrel A spandrel is a roughly triangular space, usually found in pairs, between the top of an arch and a rectangular frame; between the tops of two adjacent arches or one of the four spaces between a circle within a square. They are frequently fil ...
arched bridge that brings Washington Avenue over the
Iowa River The Iowa River is a tributary of the Mississippi River in the state of Iowa in the United States. It is about longU.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed May 13, 2011 and ...
. Originally it carried
US 20 U.S. Route 20 or U.S. Highway 20 (US 20) is an east–west United States Numbered Highway that stretches from the Pacific Northwest east to New England. The "0" in its route number indicates that US 20 is a major coast-to-coast route. S ...
. It was built in 1934 by the Weldon Brothers for $51,710.55. In the 1920s and 1930s if a relatively long bridge was required in a rural area, it would have been built using steel trusses, but in this urban setting where there is enough height in the bridge to allow wide arches, a concrete open-spandrel arch bridge could be built, and be worthwhile for its attractiveness. In Iowa, the Mederville Bridge (1918), the Adair Viaduct (1923) and the Iowa Falls Bridge (1928, also built by the Weldon Brothers) are other examples, but the Washington Avenue bridge is notable as a well-preserved two-span example. with It was listed on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ...
in 1998.


See also

* * * * *
List of bridges on the National Register of Historic Places in Iowa This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Iowa. References

{{NRHP bridges Bridges on the National Register of Historic Places in Iowa, Lists of bridges on the National Regis ...
*
National Register of Historic Places listings in Hardin County, Iowa This is a list of the National Register of Historic Places listings in Hardin County, Iowa. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Hardin County, Iowa, United States ...


References

Road bridges on the National Register of Historic Places in Iowa Bridges completed in 1934 Bridges in Hardin County, Iowa Arch bridges in Iowa Iowa Falls, Iowa U.S. Route 20 Bridges of the United States Numbered Highway System National Register of Historic Places in Hardin County, Iowa Concrete bridges in the United States Open-spandrel deck arch bridges in the United States 1934 establishments in Iowa {{Iowa-bridge-struct-stub