The Hoover Dam Bypass Bridge was honored this week with the American Society of Civil Engineer’s 2012 Outstanding Civil Engineering Achievement award March 22. At nearly 900 feet above the Colorado River and 1,900 feet long, the Hoover Dam Bypass helps to protect the security of the dam by removing through traffic from US 93. The structure was constructed in a harsh environment where temperatures reached triple digits during the day. The structure is the highest and longest arch concrete bridge in the Western hemisphere and features the world’s tallest concrete columns.
The project was recognized not only as a significant contribution to both the civil engineering profession and society as a whole but also emphasized environmental and cultural stewardship. The highway underpasses were built for endangered desert bighorn sheep, native plants in the construction corridor were preserved and replaced, and Native American cultural properties adjacent to the site were protected.
Western staff joined with the U.S. Bureau of Reclamation, Federal Highway Administration, National Park Service and the states of Arizona and Nevada to build the bridge across the Colorado River, bypassing the highway that spans the crest of Hoover Dam.
Read more about the OCEA award and Hoover Dam Bypass Bridge at the ASCE’s news release.