Main Channel Bridge (Winona)

Last updated
Main Channel Bridge
Winona, Minnesota 5.jpg
Coordinates 44°3′27.0″N91°38′23.5″W / 44.057500°N 91.639861°W / 44.057500; -91.639861
CrossesMississippi River
OwnerMinnesota Department of Transportation
Characteristics
DesignSteel cantilever bridge / Concrete box girder
Total length2,288 feet (697 m)
Width31 feet (9.4 m): 2 automobile lanes (cantilever span) / 50 feet 4 inches (15.34 m): 2 automobile lanes plus pedestrian/bicycle path (concrete box girder span)
Longest span450 feet (140 m)
History
Construction start1941 (cantilever span) / July 2014 (concrete box girder span)
Construction endNovember 1942 (cantilever span) / August 2016 (concrete box girder span)
OpenedNovember 21, 1942 (original cantilever bridge) / August 27, 2016 (new concrete box girder bridge) / July 1, 2019 (rehabilitated cantilever bridge)
Location
Main Channel Bridge (Winona)


Main Channel Bridge (Winona) consists of a pair of bridges, the original cantilever bridge, and a concrete box girder bridge completed in 2016, that span the main channel of the Mississippi River in the United States between Winona, Minnesota, and Latsch Island. Another bridge, the North Channel Bridge, connects the island to rural Buffalo County, Wisconsin. The bridge carries Minnesota State Highway 43, which continues as Wisconsin Highway 54 at the Minnesota/Wisconsin state line on the nearby North Channel Bridge; in Winona, it connects to Winona Street.

Contents

Construction on the original cantilever bridge was started just before the U.S. entered World War II, and the construction was hastened to finish in November 1942, despite labor shortages, difficulty obtaining materials, and high water. It was built in 19411942 by the Minnesota Department of Transportation (MnDOT).

On May 17, 2008, the United States Postal Service announced that the bridge would be on the Minnesota sesquicentennial commemorative stamp. [1]

Following an inspection of the bridge's gusset plates, the Minnesota Department of Transportation closed the bridge on June 3, 2008, with over 60-mile-long (97 km) detours as an alternative. [2] The bridge reopened on June 14, 2008.

After considering a number of alternatives, including rehabilitation of only the original bridge, or construction of a new bridge and demolition of the original bridge, on August 23, 2012, the Minnesota Department of Transportation announced approval for plans to build a new two-lane concrete box girder bridge, prior to rehabilitating the original bridge. [3] Construction of the new bridge began immediately upstream of the cantilever bridge in July 2014, and opened for traffic in August 2016. Following the opening of the new bridge, the original cantilever bridge closed for rehabilitation. [4] The rehabilitated cantilever bridge opened July 1, 2019, allowing 2 lanes in each direction. [5] [6]

Wagon Bridge Winona Minnesota 1892.JPG
Historical "wagon bridge" at Winona, 1892
Main Channel Bridge.jpg
Image from when there was just one bridge
Winona bridge.jpeg
New Winona Bridge under construction
Winona Bridge.jpg
Winona, Minnesota bridge Winona, Minnesota bridge.jpg
Winona, Minnesota bridge

See also

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References

  1. "Minnesota's Sesquicentennial Honored". United States Postal Service. May 16, 2008.
  2. "Winona bridge over Mississippi River closed". Star Tribune. June 3, 2008. Archived from the original on June 7, 2008.
  3. "MnDOT recommends second Mississippi River bridge in Winona". Pioneer Press. August 24, 2012.
  4. "Hwy 43 Bridge - Winona". Minnesota Department of Transportation. 2017. Retrieved April 6, 2017.
  5. "State reopens historic Winona bridge over Mississippi - Winona Post". www.winonapost.com. Retrieved 2021-02-10.
  6. "Winona bridge is back in business". Post Bulletin. Retrieved 2021-02-10.