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The Chesapeake Bay Bridge–Tunnel (CBBT, officially the Lucius J. Kellam Jr. Bridge–Tunnel) is a 17.6-mile (28.3 km) bridge–tunnel that crosses the mouth of the Chesapeake Bay between Delmarva and Hampton Roads in the U.S. state of Virginia. It opened in 1964, replacing ferries that had operated since the 1930s.
The Lake Pontchartrain Causeway (French: Chaussée du lac Pontchartrain), also known simply as The Causeway, [2] is a fixed link composed of two parallel bridges crossing Lake Pontchartrain in southeastern Louisiana, United States. The longer of the two bridges is 23.83 miles (38.35 km) long.
The Washburn Tunnel is a two-lane underwater motor-vehicle tunnel connecting Galena Park and Pasadena, two suburbs of Houston, Texas. Completed in 1950, it travels north-south underneath the Houston Ship Channel. It was named after Harris County, Texas Auditor Harry L. Washburn. It is the largest and first toll-free vehicular tunnel in the ...
Blount Tunnel, a rail tunnel near Blount Springs. [3] Brocks Gap Tunnel, a 900-foot-long (270 m) CSX rail tunnel in Hoover near Birmingham, under Shades Mountain. [4] Cooks Springs Tunnel, a Norfolk Southern rail tunnel near Cooks Springs, on the main line between Birmingham and Anniston. [5] Coosa Tunnel a rail tunnel on an active Norfolk ...
The Gov. William Preston Lane Jr. Memorial Bridge (informally called the Chesapeake Bay Bridge and, locally, the Bay Bridge) is a major dual-span bridge in the U.S. state of Maryland. Spanning the Chesapeake Bay , it connects the state's rural Eastern Shore region with its urban and suburban Western Shore, running between Stevensville and Sandy ...
An underwater tunnel is a tunnel which is partly or wholly constructed under the sea or a river. They are often used where building a bridge or operating a ferry link is unviable, or to provide competition or relief for existing bridges or ferry links. [ 1 ]
List of toll bridges § United States; Category:Lists of bridges documented by the Historic American Engineering Record; Category:Lists of bridges on the National Register of Historic Places; Category:Lists of river crossings in the United States; Other topics. Transport in the United States; Rail transportation in the United States
Named for nearby Fort McHenry, the tunnel is the lowest point in the Interstate Highway System under water. [2] Construction began in May 1980; the tunnel opened on November 23, 1985. Having consumed some $750 million (equivalent to $2.1 billion in 2023), it was the most expensive Interstate project until surpassed by the Big Dig in Boston. [3]