Marsh Rainbow Arch Bridge (Lake City, Iowa)

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Marsh Rainbow Arch Bridge
Lake City Rainbow Bridge.jpg
Marsh Rainbow Arch Bridge (Lake City, Iowa) is located in Iowa
Marsh Rainbow Arch Bridge (Lake City, Iowa)
Marsh Rainbow Arch Bridge (Lake City, Iowa) is located in the United States
Marsh Rainbow Arch Bridge (Lake City, Iowa)
LocationHighway N37 over the North Raccoon River
Nearest cityLake City, Iowa
Coordinates42°13′46″N 94°45′16″W / 42.22944°N 94.75444°W / 42.22944; -94.75444Coordinates: 42°13′46″N 94°45′16″W / 42.22944°N 94.75444°W / 42.22944; -94.75444
Arealess than one acre
Built byIowa Bridge Company
ArchitectJames Barney Marsh
Architectural styleMarsh arch
MPSHighway Bridges of Iowa MPS
NRHP reference #88002529[1]
Added to NRHPMarch 30, 1989

The Marsh Rainbow Arch Bridge, also known as the Coon River Bridge and Rainbow Bend Access, is located south of Lake City, Iowa, United States. The 271-foot (83 m) three-span bridge carried traffic on Iberia Avenue over the North Raccoon River.[2] It was designed by Des Moines engineer James Barney Marsh in his patented rainbow arch configuration, and constructed by the Iowa Bridge Company in 1914 for $10,970.[3] It replaced a Howe truss bridge that had been built by the King Bridge Company of Cleveland. That bridge was put in service upstream and remained in use until 1983 when it was taken down.[2] The Marsh arch bridge was replaced in 1985, and remains in place in a county park. It was listed on the National Register of Historic Places in 1989.[1]

A model of the Marsh Rainbow Arch Bridge is included in The Big Treehouse, a campground tourist attraction.


  1. ^ a b "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
  2. ^ a b Lowell Soike. "Marsh Rainbow Arch Bridge" (PDF). National Park Service. Retrieved 2016-04-07.
  3. ^ "Lake City bridge". Iowa Department of Transportation. Retrieved 2016-04-07.