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#306949 01/18/10 02:19 PM
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This may take some time to load..but worth it
THE WIDER VIEW: Taking shape, the new bridge at the Hoover Dam


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[img]https://www.sundance-communications.com/Pics/HoverDam/untitled.bmp[/img]




Creeping closer inch by inch, 900 feet above the mighty Colorado River, the two sides of a $160 million bridge at the Hoover Dam slowly take shape. The bridge will carry a new section of US Route 93 past the bottleneck of the old road which can be seen twisting and
winding around and across the dam itself.

When complete, it will provide a new link between the states of Nevada and Arizona. In an incredible feat of engineering, the road will be supported on the two massive concrete arches which jut out of the rock face.

The arches are made up of 53 individual sections each 24 feet long which have been cast on-site and are being lifted into place using an improvised high-wire crane strung between temporary steel pylons.

The arches will eventually measure more than 1,000 feet across.
At the moment, the structure looks like a traditional suspension bridge. But once the arches are complete, the suspending cables on each side will be removed. Extra vertical columns will then be installed on the arches to carry the road.

The bridge has become known as the Hoover Dam bypass, although it is officially called the Mike O'Callaghan-Pat Tillman Memorial Bridge, after a former governor of Nevada and an American Football player from Arizona who joined the US Army and was killed in Afghanistan.

Work on the bridge started in 2005 and should finish next year. An estimated 17,000 cars and trucks will cross it every day.

The dam was started in 1931 and used enough concrete to build a road from New York to San Francisco. The stretch of water it created, Lake Mead, is 110 miles long and took six years to fill. The original road was opened at the same time as the famous dam in 1936.

An extra note: The top of the white band of rock in Lake Mead is the old waterline prior to the drought and development in the Las Vegas area. It is over 100 feet above the current water level.

[img]https://www.sundance-communications.com/Pics/HoverDam/untitled1.bmp[/img]


[img]https://www.sundance-communications.com/Pics/HoverDam/untitled2.bmp[/img]

[img]https://www.sundance-communications.com/Pics/HoverDam/untitled3.bmp[/img]

[img]https://www.sundance-communications.com/Pics/HoverDam/untitled4.bmp[/img]

[img]https://www.sundance-communications.com/Pics/HoverDam/untitled5.bmp[/img]

[img]https://www.sundance-communications.com/Pics/HoverDam/untitled6.bmp[/img]


Pretty Awesome......

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#306950 01/18/10 02:29 PM
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awesome Pictures !


Skip
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Serving SW and West central Fl since 1984
#306951 01/18/10 02:30 PM
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I think I'll keep my feet a little closer to the ground than those working on that.


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#306952 01/18/10 02:36 PM
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I can't wait to ride it...I'm betting with 8 to 10 bikes it's gunna sound awsome echoing through that canyon.

#306953 01/18/10 02:41 PM
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It did take a long time to load but well worth the wait.

FYI not me jack. Gave me a shiver watching those guys working up there.

#306954 01/18/10 03:22 PM
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It made me weak kneed just looking over the edge of the old bridge/dam.
My hat goes off to those guys and gals working on the new one. clap


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#306955 01/18/10 05:10 PM
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Cool pics. From the looks of things I bet it's a geometrical learning experience to hit the target in those port-a-potties. frown

#306956 01/18/10 05:38 PM
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Great pic's Tom, thanks for the link! :thumb:

#306957 01/18/10 06:27 PM
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Great pics did you take them? When I was out there last summer we saw the bridge as we crossed over the dam. That bridge is well needed as crossing the dam can take hours to go just a couple miles and trucks have to divert to another crossing miles away.


Merritt

Business Telephones & Equipment + Commercial Audio/Video Products
Commercial Communications . . . Turner, Maine
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#306958 01/18/10 07:03 PM
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Quote
Originally posted by mdaniel:
It made me weak kneed just looking over the edge of the old bridge/dam.
My hat goes off to those guys and gals working on the new one. clap
When I started doing the microwave work I had a terrible fear of heights. I also had a greater fear of hunger, and as I was coming in to work on the project off of unemployment, and if I couldn't do the work I'd be going right back to unemployment, I decided to suck it up and "just do it."

Not as easy as it sounds. Those skyscrapers in Manhattan are awful high and I was terrified day in and day out. One day I worked with our shop steward - a crusty old guy (actually not all that older then me - but crustier) who noticed my condition. I was doing the work, but it was taking me an awful long time to tie myself off, get in, get out, etc. He sympathized and said:

"You can learn to do anything, and adapt to any conditions in six weeks."

I originally thought he was full of it, but he really wasn't. Right about the 6 or 7 week mark I noticed that my fear of heights was gone. I was shocked.

Those are really great pictures Tom, and I can't wait to drive that bridge. Thanks so much for sharing it with us.

The guys and gals doing the work up there deserve all the credit in the world. But believe me - you could do it too.

All you have to do is last the first six weeks.

Sam


"Where are we going and why are we in this hand basket?"
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