The Chesapeake Bay Bridge-Tunnel (CBBT) is a 23 mile long bridge and tunnel system that connects southeastern Virginia with Delmarva Peninsula in the United States. The bridge connects the following independent cities Virginia Beach, and Norfolk, Virginia to Cape Charles in Northampton County along the eastern shore of Virginia.
The Chesapeake Bay Bridge-Tunnel
As of May 2018 The Chesapeake Bay Bridge-Tunnel Has been crossed by more then 130 million vehicles. one of the reason for this is the The Chesapeake Bay Bridge-Tunnel saves motorist 95 miles and 1 1/2 hours on a trip to or from Virgina Beach/Norfolk.
There is an expansion underway that started in 2017 and should be finished in 2023 with an estimated cost of $756 million USD which was won in a bid between 3 different companies the company that won the project is German based Herrenknect. The new tunnels lengeth is aproximatley 1 mile long. The tunnel will consist of approximately 42,000 cubic yards of concrete divided up into around 9,000 individual concrete pieces.
The Chesapeake Bay Bridge-Tunnel uses a combo of tunnels and bridges over two separated shipping channels using four artificial islands built in the bay as portals.
The bridge-tunnel was opened on April 15th, 1964, in August 1987 it was officially named the Lucius J. Kellam Jr. Bridge-Tunnel after one of the civic leaders who worked for its development. However, it still is best known as Chesapeake Bay Bridge-Tunnel.
The bridge part of the Chesapeake Bay Bridge-Tunnel as far as I can know is 15.6 Miles long which is why this bridge is placed at number at the worlds 9th longest bridge and 7th longest over water and 4th longest bridge in the USA and 8th longest that is used by autos.
The above water part of the bridge was upgraded in 1995-1999 from 2 lanes to a 4 lanes at a cost of $200 million
After the bridge-tunnel opened in 1964, it was selected as One of the Seven Engineering Wonders of the Modern World by American Society of Civil Engineers, however it has been replaced on this list since with more recent engineering wonders.
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