Glass Bridge will be suspended 4,000 feet above the Colorado River on
the very edge of the Grand Canyon . On May 2005, the final test was
conducted and the structure passed engineering requirements by 400
percent, enabling it to withstand the weight of 71 fully loaded Boeing
747 airplanes (more that 71 million pounds). The bridge will be able to
sustain winds in excess of 100 miles per hour from 8 different
directions, as well as an 8.0 magnitude earthquake within 50 miles.
More than one million pounds of steel will go into the construction of
the Grand Canyon SkyWalk.
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