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  2. Chesapeake Bay Bridge–Tunnel - Wikipedia

    en.wikipedia.org/wiki/Chesapeake_Bay_Bridge–Tunnel

    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.

  3. Lake Pontchartrain Causeway - Wikipedia

    en.wikipedia.org/wiki/Lake_Pontchartrain_Causeway

    The Jiaozhou Bay Bridge spans water for only 16.1 mi (25.9 km). However, Guinness World Records, using the criteria of measurement that included aggregate structures, such as land bridges on the ends and an under-sea tunnel, stated that the Jiaozhou Bay Bridge is 26.5 mi (42.6 km) long. [4]

  4. Chesapeake Bay Bridge - Wikipedia

    en.wikipedia.org/wiki/Chesapeake_Bay_Bridge

    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 ...

  5. Fort McHenry Tunnel - Wikipedia

    en.wikipedia.org/wiki/Fort_McHenry_Tunnel

    In 1975, plans were changed to a tunnel after it was determined that a bridge would hurt Fort McHenry's status as a national monument. The state of Maryland originally intended to build the tunnel with a reinforced concrete box design , but plans were changed in February 1976 to use a steel tubular design after a dispute with the Federal ...

  6. Underwater tunnel - Wikipedia

    en.wikipedia.org/wiki/Underwater_tunnel

    Chesapeake Bay Bridge Tunnel: Virginia, USA: Connects Virginia Beach with the Eastern Shore of Virginia. Length refers to the tunnel section: 1.6 km: 1960–1964 Transbay Tube: San Francisco – Oakland, USA: Rail tunnel for Bay Area Rapid Transit. Connects Oakland to San Francisco. It is the longest underwater tunnel in North America: 5.8 km ...

  7. Hood Canal Bridge - Wikipedia

    en.wikipedia.org/wiki/Hood_Canal_Bridge

    The Hood Canal Bridge suffered catastrophic failure in 1979 during the February 13 windstorm. During the night, the bridge had withstood sustained winds of up to 85 mph (137 km/h) and gusts estimated at 120 mph (190 km/h), and finally succumbed at about 7:30 a.m. on February 13.

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  9. Port Miami Tunnel - Wikipedia

    en.wikipedia.org/wiki/Port_Miami_Tunnel

    The Port of Miami Tunnel (also State Road 887) is a 4,200-foot (1,300 m) [3] bored, undersea tunnel in Miami, Florida.It consists of two parallel tunnels (one in each direction) that travel beneath Biscayne Bay, connecting the MacArthur Causeway on Watson Island with PortMiami on Dodge Island.