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Author Topic: Chesapeake Bay Bridge-Tunnel  (Read 10089 times)

Beltway

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Re: Chesapeake Bay Bridge-Tunnel
« Reply #50 on: September 06, 2017, 10:25:15 PM »

Just a reminder...
Baltimore Sun: Chesapeake Bay Bridge-Tunnel restaurant, gift shop and pier set to close

I wonder if there is any feasible and affordable engineering solution to build a new restaurant and ample parking somewhere on that island?
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Scott M. Savage
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hbelkins

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Re: Chesapeake Bay Bridge-Tunnel
« Reply #51 on: September 07, 2017, 11:34:18 AM »

I'm in hopes that CBBT swag will be available somewhere, either online or in a physical shop located elsewhere. Last time I was on the CBBT, I bought a sticker but haven't put it on my vehicle yet. I'd like to be able to maybe get another sometime.
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WillWeaverRVA

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Re: Chesapeake Bay Bridge-Tunnel
« Reply #52 on: September 07, 2017, 02:07:41 PM »

I picked up a t-shirt when I stopped by coming back from a work trip to Accomack County. That gift shop is a really nice place, I'm sad to see it go.
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jeffandnicole

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Re: Chesapeake Bay Bridge-Tunnel
« Reply #53 on: September 07, 2017, 02:13:17 PM »

Just a reminder...
Baltimore Sun: Chesapeake Bay Bridge-Tunnel restaurant, gift shop and pier set to close

I wonder if there is any feasible and affordable engineering solution to build a new restaurant and ample parking somewhere on that island?

It took a lot of design and engineering just to fit the 2nd tunnel on the island.  If they tried to refit the restaurant on there it'll probably be the world's most costly restaurant design!!
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Beltway

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Re: Chesapeake Bay Bridge-Tunnel
« Reply #54 on: September 07, 2017, 02:51:39 PM »

I wonder if there is any feasible and affordable engineering solution to build a new restaurant and ample parking somewhere on that island?
It took a lot of design and engineering just to fit the 2nd tunnel on the island.  If they tried to refit the restaurant on there it'll probably be the world's most costly restaurant design!!

I agree.  Initially they were going to expand both islands to accommodate the about 250 foot spacing between the two bridges.  That would be needed for the immersed tube construction method  which would require that much separation in order to dredge the trench for the new tube without impacting the existing tube.

By using the shield-bored tunnel method (first time in the H.R. area) they can get much closer to the existing tube and thereby place its portals on the existing islands.  Plus save about $200 million.

Building those 4 islands on what is essentially open sea was considered one of the most remarkable portions of the project, also very expensive.  The same challenges would occur on expanding an island, massive amounts of suitable soil fill material needs to be obtained from somewhere, barged out there, and then placed layer by layer and properly compacted, and massive amounts of armor stone needs to be barged out there and placed around the island.

They must have built the islands very well, as I have never heard of them being damaged in any storm, other than perhaps some cosmetic damage, and they have been there for 53 years.
« Last Edit: September 07, 2017, 02:59:34 PM by Beltway »
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Scott M. Savage
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Beltway

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Re: Chesapeake Bay Bridge-Tunnel
« Reply #55 on: September 08, 2017, 12:26:06 AM »

https://pilotonline.com/news/local/transportation/chesapeake-bay-bridge-tunnel-pier-and-restaurant-closing-oct/article_59064e92-73cd-5c16-93e6-1f82453c373f.html

Chesapeake Bay Bridge-Tunnel pier and restaurant closing Oct. 1
By Jordan Pascale
The Virginian-Pilot
Sep 7, 2017

Quote
In less than a month, crews will dig a big hole in an island in the Chesapeake Bay.  A groundbreaking is set for 11:30 a.m. on Sept. 18.

Months later, a giant boring machine will be lowered into that hole to dig another mile-long tunnel to complement the one under the Chesapeake Bay Bridge-Tunnel's Thimble Shoal channel.

It will be the first tunnel in the region to be built using the boring method.  The machine’s 41-foot rotating head cuts into the soil, carves it out and hauls it away on a conveyor belt before it’s transferred to trucks.

Precast concrete-tunnel segments are loaded into the machine and pushed into place. Once one ring of concrete is finished, the machine pushes forward, excavates more soil and adds another ring.

When it reaches the other side, the machine will be disassembled and removed. Then crews install the roadway, lighting and mechanical systems.

The 8,800 drivers that use the bridge-tunnel complex daily likely won't be inconvenienced. Most of the work will be outside the current right of way. The tunnel stretches from Virginia Beach to the Eastern Shore.

Perhaps the most obvious changes tourists, fishermen  and drivers would  notice is the closure of the island nearest Virginia Beach. The island is home to a fishing pier, restaurant and gift shop. The pier will return in 2022, but the restaurant and gift shop won't due to space constraints on the island. Expanding it would've cost more than $200 million.

At $756 million, the project is among the largest in the region since the $2.1 billion project that built a new Midtown Tunnel, refurbished the old Midtown and Downtown tunnels and built the  Martin Luther King Jr. Expressway [Extension] in Portsmouth.

While the route is not the most-heavily traveled in the region – some residents question why this tunnel is being built ahead of more pressing needs – the bay bridge-tunnel  is in a unique situation.

The  Tunnel District is a political subdivision of the state and operates as a business entity. The district doesn’t use federal, state or local taxes to operate or maintain the bridge, but it is tax-exempt.

Because it runs as a business, the commission aims to reduce risk factors. A catastrophic event in either tunnel could render the route useless. Adding a second tunnel would  increase safety by making traffic flow one way in each.
« Last Edit: September 08, 2017, 12:29:00 AM by Beltway »
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Scott M. Savage
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D-Dey65

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Re: Chesapeake Bay Bridge-Tunnel
« Reply #56 on: January 21, 2019, 02:11:17 AM »

I found a video of the bridge from 1987:

And because it's from 1987, it's clearly in VHS quality. Which is too bad, because I still want to see evidence of those speed limit traffic signals the bridge used to have on it in the early-1980's.

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