I-74 Bridge

Interstate 74 Bridge
New and old bridges in 2022.
Coordinates41°31′01″N 90°30′38″W / 41.51694°N 90.51056°W / 41.51694; -90.51056
Carries8 lanes of I-74 / US 6
CrossesMississippi River
LocaleBettendorf, Iowa, and Moline, Illinois
Official nameIowa-Illinois Memorial Bridge
Maintained byIowa Department of Transportation[1]
Characteristics
DesignTwin basket-handle, through arch
Longest span800 ft (244 m)
History
OpenedNovember 13, 2020 (2020-11-13)
(northbound)
December 2, 2021 (2021-12-02)
(southbound)
Statistics
Daily traffic80,000[2]
Location
Map

The Interstate 74 Bridge, officially known as the Iowa-Illinois Memorial Bridge, and often called The Twin Bridges, or the I-74 Bridge, are basket-handle, through arch twin bridges that carry Interstate 74 across the Mississippi River and connect Bettendorf, Iowa, and Moline, Illinois. It is located near the geographic center of the Quad Cities. They replace two suspension bridges opened to traffic in 1935 and 1959, both of which had become obsolete by the 1990s.

  1. ^ "I-74 River Bridge | About".
  2. ^ https://www.helmgroup.com/documents/HelmGroup-Fall2011_CS5.pdf[permanent dead link]

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