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Old July 28th, 2008, 06:21 PM   #201
Msradell
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Quote:
Originally Posted by city_thing View Post
Was there a lot of opposition to this bridge being built? As much as I like it, its position seems very imposing on the dam and the canyon. I can imagine a lot of people not wanting a gigantic bridge to ruin the view.
There really wasn't a lot of opposition partly because the main reason given for the construction was "security concerns". Locals probably are glad it's being built since there have been checkpoints for traffic in both directions since 911 and truck traffic has been prohibited. After completion no traffic will be allowed on the bridge except for maintenance. There will be access to viewing areas on both sides of the dam as well as to the visitors center on the Nevada side. The top of the dam will be open for pedestrians.

The bridge will also speed up traffic considerably since the old road was two Lanes and very curvy.
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Old July 29th, 2008, 10:51 PM   #202
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Old July 30th, 2008, 06:41 PM   #203
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Erecting the temporary towers.


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Old August 3rd, 2008, 05:44 AM   #204
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Will this be the new highest bridge in the world?
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Old August 3rd, 2008, 09:39 PM   #205
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Quote:
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Will this be the new highest bridge in the world?
Gotta love Wikipedia:

Millau Viaduct

Clearance below: 886 ft (270 m) at maximum {switched the feet and meters to match the rest of the post}

Hoover Dam Bypass:

The roadway will be 840 feet (256 m) above the river.

So, the answer is sadly no, the roadway is just under the highest clearance of the Millau Viaduct.

Apparently, there will be walls on the sides of the bridge so that you cant see over the side. Pedestrians will be able to park and walk across the bridge for views of Hoover Dam. The dam will not be visible to drivers on the bridge, however. Thus, Wikipedia says Height: 890 feet (271 m) which looks higher than the 886 feet of the other bridge, but remember that the 886 feet is the highest clearance (IE: the lowest part of the valley floor to the lowest part of the bridge) while the 890 feet of the Hoover Dam Bypass is from the river to the highest part of the bridge. (The highest point on the Millau Viaduct is 1,125 ft, much taller than the Hoover Dam Bypass.)

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Old August 4th, 2008, 12:36 AM   #206
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damn, just missed out!
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Old August 4th, 2008, 02:46 AM   #207
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Quote:
Originally Posted by katanna1 View Post
Gotta love Wikipedia:

Millau Viaduct

Clearance below: 886 ft (270 m) at maximum {switched the feet and meters to match the rest of the post}

Hoover Dam Bypass:

The roadway will be 840 feet (256 m) above the river.

So, the answer is sadly no, the roadway is just under the highest clearance of the Millau Viaduct.

Apparently, there will be walls on the sides of the bridge so that you cant see over the side. Pedestrians will be able to park and walk across the bridge for views of Hoover Dam. The dam will not be visible to drivers on the bridge, however. Thus, Wikipedia says Height: 890 feet (271 m) which looks higher than the 886 feet of the other bridge, but remember that the 886 feet is the highest clearance (IE: the lowest part of the valley floor to the lowest part of the bridge) while the 890 feet of the Hoover Dam Bypass is from the river to the highest part of the bridge. (The highest point on the Millau Viaduct is 1,125 ft, much taller than the Hoover Dam Bypass.)

Matthew
Actually the Millau Viaduct isn't the tallest either. According to this List the tallest bridge is actually the Royal Gorge Bridge in Colorado which has 321m (1053ft) clearance!
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Old August 4th, 2008, 12:48 PM   #208
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Quote:
Originally Posted by city_thing View Post
I can imagine a lot of people not wanting a gigantic bridge to ruin the view.
How could an amazing bridge "ruin the view"?

On the contrary it creates a spectacular viewpont for the dam, 256m above the river literally "in the air"...
and vice versa: it will have an amazing view from the dam...

This bridge will be a perfect and worthy match of the dam.

Last edited by H123Laci; August 4th, 2008 at 12:57 PM.
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Old August 4th, 2008, 01:15 PM   #209
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I totally agree 100%. It is going to beautify the view
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Old August 4th, 2008, 02:37 PM   #210
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Quote:
Originally Posted by AJphx View Post
well it'll look decent at least... probably better when completed than in those renderings.
however its unfortunate that we won't spend more for better bridge architecture, like the millau viaduct.
I think your bridges are OK.
In case of hoover bridge the arch option is the only option.
nor a suspension bridge neither a cable-stayed bridge would match the view...

Quote:
Originally Posted by LosAngelesMetroBoy View Post
well, we dont pay european sized taxes, so this is what we get.
well, the situation is the opposite:
we pay enormous fuel tax in europe but we get less for it than you...
(in europe the extreme structures are built from private money and tolled... eg. millau viaduct, channel-tunnel, greatbelt bridge, attiki-odos transportation corridor bypassing athens, greece)

Last edited by H123Laci; August 5th, 2008 at 09:08 AM.
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Old August 4th, 2008, 02:56 PM   #211
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Quote:
Originally Posted by Don Pacho View Post
I totally agree 100%. It is going to beautify the view
yeah.
it does not destruct but crowns the view. here is the proof:


LARGER


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Old August 4th, 2008, 09:10 PM   #212
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Yeah, I think the arch is the best design to complement the curve of the dam. The pedestrian walkway will give the equivalent of an aerial view of the dam. I'll be driving over the dam Thursday and will stop to take some photos.

Photo from June on the official website.

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Old August 5th, 2008, 02:36 PM   #213
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Does anybody know why did they make this huge cut instead of making short tunnels?



And how will they upgrade the old road to a highway at this hotel?
(will they close this intersection and build a paralell service road from the nevada IC?)

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Old August 5th, 2008, 03:24 PM   #214
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what's that dead end road on the canyon wall on AZ side?

was it an acces road for a planned bridge?


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Last edited by H123Laci; August 5th, 2008 at 07:12 PM.
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Old August 6th, 2008, 02:42 AM   #215
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Quote:
Originally Posted by H123Laci View Post
what's that dead end road on the canyon wall on AZ side?

was it an acces road for a planned bridge?
No, it was actually an access road to take equipment below the original highline that was used when the dam was constructed. Much of the material for the generator area was moved along this road to be lowered by that highline. There's some more information about it somewhere earlier in this thread but I can't find it right now.
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Old August 6th, 2008, 02:53 AM   #216
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Quote:
Originally Posted by H123Laci View Post
Does anybody know why did they make this huge cut instead of making short tunnels?
The soils in this area are mostly gravel and would be very difficult to tunnel. Making the cut with much more economical.

Quote:
And how will they upgrade the old road to a highway at this hotel?
(will they close this intersection and build a paralell service road from the nevada IC?)
Actually, no work is planned for this section of highway since is already four lanes. You can see the transition from old to new road near the top of the picture. The road is four lanes but it's not a limited access highway so no service roads are part of the project.
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Last edited by Msradell; August 6th, 2008 at 02:58 AM.
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Old August 7th, 2008, 06:31 PM   #217
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Quote:
Originally Posted by Msradell View Post
No, it was actually an access road to take equipment below the original highline that was used when the dam was constructed. Much of the material for the generator area was moved along this road to be lowered by that highline. There's some more information about it somewhere earlier in this thread but I can't find it right now.

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Old August 9th, 2008, 10:45 AM   #218
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Looks awesome
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Old August 16th, 2008, 01:39 PM   #219
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Quote:
Originally Posted by Msradell View Post
No, it was actually an access road to take equipment below the original highline that was used when the dam was constructed. Much of the material for the generator area was moved along this road to be lowered by that highline. There's some more information about it somewhere earlier in this thread but I can't find it right now.
I got to see them use that once when I was visiting the dam. Very impressive to see it in action especially from the base of the dam where I was.
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Old August 17th, 2008, 04:33 PM   #220
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Quote:
Originally Posted by H123Laci View Post
what's that dead end road on the canyon wall on AZ side?

was it an acces road for a planned bridge?


LARGER
wow is fantastic the dam hover!!!!!
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