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Keigley Branch Bridge

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Coordinates: 42°08′12.8″N 93°36′03.6″W / 42.136889°N 93.601000°W / 42.136889; -93.601000
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Keigley Branch Bridge
Keigley Branch Bridge is located in Iowa
Keigley Branch Bridge
Keigley Branch Bridge is located in the United States
Keigley Branch Bridge
Location550th Street over Keigley Branch
Nearest cityGilbert, Iowa
Coordinates42°08′12.8″N 93°36′03.6″W / 42.136889°N 93.601000°W / 42.136889; -93.601000
Built1913
Built byKoss Construction Company
ArchitectIowa State Highway Commission
Architectural styleSpandrel arch
MPSHighway Bridges of Iowa MPS
NRHP reference No.98000483[1]
Added to NRHPMay 15, 1998

Keigley Branch Bridge is a historic structure located northeast of Gilbert, Iowa, United States. It spans the Keigley Branch for 47 feet (14 m).[2] The Iowa State Highway Commission was re-formed in 1913 and they developed standard designs for smaller bridges. One of their designs was an alternative to the Luten arch. They were built throughout the state in the 1910s and 1920s. This is the oldest remaining arch bridge from that era.[2] The Koss Construction Company of Des Moines completed it in 1913 for $3,384.85. The bridge features a medium-span arch with concrete-filled spandrels, paneled guardrails, a corbeled arch ring, and two-tone concrete detailing. The Keigley Branch Bridge was listed on the National Register of Historic Places in 1998.[1]

See also

References

  1. ^ a b "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
  2. ^ a b Fraser, Clayton B. "Keigley Branch Bridge". National Park Service. Retrieved 2017-02-03. with photos


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