Boulder City Magazine® November 2010 Issue
by Roger Tobler
Boulder City Mayor
Hoover Dam Bypass Project
On October 14, 2010, the Hoover Dam Bypass Project or the Mike O’ Callaghan-Pat Tillman Memorial Bridge was dedicated. This project received national attention. I attended the dedication and felt that many in our community would like to know more about this project. The following information is taken from the information shared at the dedication.
Boulder City Magazine®
|This project was completed in nine years and the total cost to complete the bridge and the approaches was $240 million. The arch span is 1,060 feet, the bridge deck is 1,900 feet long. The bridge deck is 900 feet above the Colorado River. The bridge is 1500 feet south of Hoover Dam. The tallest precast concrete column that is atop the arch is 280 feet tall, close to the entire length of one football field.
The approach roadway in Arizona is 1.2 miles long. The approach roadway in Nevada is 2.3 miles long. The paving of both approaches contains more than 60,000 tons of aggregate base and 45,000 tons of hot asphalt concrete. The twin rib concrete arches contain 2,000 tons of steel and 9,000 cubic yards of concrete. The bridge deck contains 6,000 cubic yards of concrete.
The completion of the bridge will create problems for Boulder City. The City Council has requested that NDOT continue to monitor the traffic situation in Boulder City and make further adjustments and improvements as needed. The City Council will also continue to work with our Representatives in D.C. to request more funding for the Boulder City Bypass.
I want to put the cost of the Boulder City bypass into perspective. It is estimated that the Boulder City Bypass will cost close to $500 million. The Hoover Dam Bypass Project cost $240 million. The cost of our project presents a difficult challenge to fund, especially in these difficult economic times. Our bypass project funding will mostly come from the Federal Government unless the state finds new funding sources.
We should continue to look for solutions so the trucks do not become a permanent problem for Boulder City.
To learn more visit www.dambridge.com.
Visit Roger at http://www.bcnv.org/CityCouncil/Tobler.asp.
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