Keigley Branch Bridge

Keigley Branch Bridge
Location 550th St. over Keigley Branch
Nearest city Gilbert, Iowa
Coordinates 42°08′12.8″N 93°36′03.6″W / 42.136889°N 93.601000°W / 42.136889; -93.601000Coordinates: 42°08′12.8″N 93°36′03.6″W / 42.136889°N 93.601000°W / 42.136889; -93.601000
Built 1913
Built by Koss Construction Company
Architect Iowa State Highway Commission
Architectural style Spandrel arch
MPS Highway Bridges of Iowa MPS
NRHP reference # 98000483[1]
Added to NRHP May 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 bi-chrome concrete detailing. It was listed on the National Register of Historic Places in 1998.[1]

See also

References

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


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