Hoover Dam Bypass Bridge

HKr1 · October 23rd, 2009, 05:08 PM

Friend sent these pics, thought you all would like them too. I didnt even know they were building this. Havent been back home on the west coast since 01, Missing all the cool stuff.

Quote:

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.

HKr1 · October 23rd, 2009, 05:09 PM

Few more pics!

CrzyFstMnM · October 23rd, 2009, 06:29 PM

Such an engineering feat!

ive driven on hoover dam since before the construction started. and every time you could see the to sides getting closer and closer together. to think that you start from two sides of a canyon and meet up with only a difference of a millimeter is incredible.

i can't wait till this is done so i can drive over it and check it out

nate-bama · October 23rd, 2009, 07:02 PM

wow i hope the history channel runs this marvel sometime!

Alex · October 23rd, 2009, 08:23 PM

Wild!

bob706 · October 23rd, 2009, 08:50 PM

I'm gonna put that on my list of motorcycle destinations. Beautiful part of the country.

Syphen · October 24th, 2009, 07:26 AM

I saw pictures of this a while ago. Its certainly progressing. Looks amazing.

empire00 · October 24th, 2009, 10:10 AM

i saw this in person about a year ago. it is absolutely breathtaking how high that bridge is. it is quite impressive.

noche_caliente · October 24th, 2009, 12:36 PM

neat!

headshrink · October 24th, 2009, 02:20 PM

Nice! I didn't know they started either. Almost a decade after 9/11.... sounds about right in this day and age. Anyone hear of the Auburn Damn? Probably not, they gave up after 30 years or so of red tape, environmental studies, etc.

It's a shame you can't experience driving over the damn, but probably a good decision. The new bridge will speed up traffic too

October 23rd, 2009, 06:29 PM	#3
CrzyFstMnM ninjette.org member Name: Manoj Location: Tempe, AZ Join Date: Jan 2009 Motorcycle(s): 09 Ninja 250 SE Posts: 106	Such an engineering feat! ive driven on hoover dam since before the construction started. and every time you could see the to sides getting closer and closer together. to think that you start from two sides of a canyon and meet up with only a difference of a millimeter is incredible. i can't wait till this is done so i can drive over it and check it out __________________________________________________ MnM 2009 ZX6r Monster - Vortex Frame Sliders 2009 Ninja 250r - (Sold )

October 23rd, 2009, 07:02 PM	#4
nate-bama North Alabama Mtn. ryder Name: Nate Location: Alabama Join Date: May 2009 Motorcycle(s): 2006 Posts: 537	wow i hope the history channel runs this marvel sometime! __________________________________________________ QTRltrPWR

October 23rd, 2009, 08:23 PM	#5
Alex ninjette.org dude Name: 1 guess :-) Location: SF Bay Area Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much. Blog Entries: 7	Wild! __________________________________________________ Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered)

October 24th, 2009, 07:26 AM	#7
Syphen Some weird Canuck! Name: Greg Location: Ontario - Canada Join Date: Dec 2008 Motorcycle(s): '92 CBR250RR "Babyblade", 2008 Ninja 250R, 2001 CBR600F4i Posts: 209	I saw pictures of this a while ago. Its certainly progressing. Looks amazing. __________________________________________________ I still like CBR's more Just kidding.

October 24th, 2009, 12:36 PM	#9
noche_caliente ninjette.org certified postwhore Name: Kim Location: mundo de ensueño Join Date: Nov 2008 Motorcycle(s): '08 250 Posts: A lot.	neat! __________________________________________________ Progrip tank pad, blue rim stripes, blue Pazzos, Roaring Toyz lowering kit, Puig DB in dark smoke, Cortech sport tail, super mini tank, and saddlebags, OES swingarm spools and Intuitive frame sliders

October 23rd, 2009, 08:50 PM	#6
bob706 ninjette.org certified postwhore Name: Sean Location: Mary Esther, FL Join Date: Jan 2009 Motorcycle(s): 2008 Ninja 250 1998 HD Road King Posts: A lot.	I'm gonna put that on my list of motorcycle destinations. Beautiful part of the country.

October 24th, 2009, 10:10 AM	#8
empire00 ninjette.org member Name: Sean Location: Southern IL Join Date: Feb 2009 Motorcycle(s): 2009 250r SE, 2015 FJ-09 Posts: 171	i saw this in person about a year ago. it is absolutely breathtaking how high that bridge is. it is quite impressive.

October 24th, 2009, 02:20 PM	#10
headshrink ninjette.org certified postwhore Name: Bob Location: CA Join Date: Dec 2008 Motorcycle(s): '08 Ninja 250r, '14 CBR500r Posts: A lot.	Nice! I didn't know they started either. Almost a decade after 9/11.... sounds about right in this day and age. Anyone hear of the Auburn Damn? Probably not, they gave up after 30 years or so of red tape, environmental studies, etc. It's a shame you can't experience driving over the damn, but probably a good decision. The new bridge will speed up traffic too

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