Among his recommendations were that future bridge designs include deep trusses to stiffen the bridge deck and an open-grid roadway to reduce its wind resistance. Steinman published a theoretical analysis of suspension-bridge stability problems. Three years after the Tacoma Narrows disaster, engineer David B. The design of the Mackinac Bridge was directly influenced by the lessons of the first Tacoma Narrows Bridge, which failed on November 7, 1940, due to instability under wind stresses. state of Michigan between Lake Michigan and Lake Huron. The Mackinac Bridge is a suspension bridge spanning the Straits of Mackinac to connect the Upper and Lower Peninsulas of the U.S.
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