Mackinac Bridge Named Historic Civil Engineering Landmark
Mackinac Bridge Named Historic Civil Engineering Landmark https://americanbridge.net/wp-content/themes/corpus/images/empty/thumbnail.jpg 150 150 American Bridge https://americanbridge.net/wp-content/themes/corpus/images/empty/thumbnail.jpg(see below for video links) The Mackinac Bridge was designated a National Historic Civil Engineering Landmark on August 12, 2010, by the American Society of Civil Engineers to recognize and encourage preservation of landmarks, and to promote historical awareness of civil engineering. American Bridge fabricated and erected the entire 52-span bridge that stretches 18,343’ across…
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