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Liberty Tunnel. The Liberty Tunnels (also known as the Liberty Tubes) are a pair of tunnels located in Pittsburgh, Pennsylvania, United States that allow motorists to travel between the South Hills of Pittsburgh and the city, beneath Mt. Washington. The tunnels were vital in the expansion of the South Hills suburbs by providing a direct route ...
The Mount Washington Roadway Extension, now the P.J. McArdle Roadway, was completed in September, 1933, providing a highway connection from the south end of the bridge to the Liberty Tunnel and Mount Washington. [21] In addition to road traffic, the bridge was also used by Pittsburgh Railways streetcars on the 53 Carrick route. [22]
The bridge was initially expected to remain closed for at least four months for emergency repairs costing $1–2 million, but officials announced a three-year closure for large-scale rehabilitation in March 2023. [10] [33] As of July 2024, construction is planned to begin by the end of the year and last until fall 2026. The project will cost ...
The tunnel cost $17 million (equivalent to $175 million in 2023 [5]). [6] [1] [7] [8] On Thursday, May 31, 2007, a bomb threat shut down the Fort Pitt Tunnel along with the Liberty and Squirrel Hill tunnels, causing a major traffic jam. [9] The tunnel provided AM reception in 1960, but due to design repairs it was discontinued until 1986.
The Liberty Bridge is a steel cantilever bridge and was created as the missing link between downtown Pittsburgh and the Liberty Tunnel, which had been built four years earlier in 1924 as a link to the South Hills. The bridge opened on March 27, 1928, following a 5-mile (8.0 km) vehicle parade [2] from the southern suburbs of the city, which ...
The Fort Pitt Bridge is a steel, double-decked bowstring arch bridge that spans the Monongahela River near its confluence with the Allegheny River in Pittsburgh, Pennsylvania. It carries Interstate 376 between the Fort Pitt Tunnel and Downtown Pittsburgh. Opened in June 1959 as a replacement for the Point Bridge, the Fort Pitt Bridge was the ...
The Rachel Carson Bridge, also known as the Ninth Street Bridge, spans the Allegheny River in Downtown Pittsburgh, Pennsylvania in the United States.. Named for the naturalist and author Rachel Carson, a Pittsburgh native, it is one of three parallel bridges called the Three Sisters, the others being the Roberto Clemente Bridge and the Andy Warhol Bridge.
1970 [ 3 ] Location. The Smithfield Street Bridge is a lenticular truss bridge crossing the Monongahela River in Pittsburgh, Pennsylvania, USA. The bridge was designed by Gustav Lindenthal, the engineer who later designed the Hell Gate Bridge in New York City. The Smithfield Street Bridge was built between 1881 and 1883, opening for traffic on ...