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When it opened in 1902, on Chicago's north side, it was the first such bridge built in the United States. The bridge was a major advance in American movable bridge engineering, and was the prototype for over 50 additional bridges in Chicago alone. [5] The bridge was designated as an ASCE Civil Engineering Landmark in 1981, and a Chicago ...
Chicago Avenue Bridge Extant Simple trunnion bascule: 1914 1999 Chicago Avenue: North Branch of Chicago River: Chicago: Cook: IL-145: Chicago Skyway Toll Bridge: Extant Cantilever: 1958 2001 Chicago Skyway: Calumet River: Chicago: Cook
The DuSable Bridge (formerly the Michigan Avenue Bridge) is a bascule bridge that carries Michigan Avenue across the main stem of the Chicago River in downtown Chicago, Illinois, United States. The bridge was proposed in the early 20th century as part of a plan to link Grant Park (downtown) and Lincoln Park (uptown) with a grand boulevard ...
Jean Baptiste Point du Sable (French pronunciation: [ʒɑ̃ batist pwɛ̃ dy sɑbl]; also spelled Point de Sable, Point au Sable, Point Sable, Pointe DuSable, or Pointe du Sable; [n 1] before 1750 [n 2] – August 28, 1818) is regarded as the first permanent non-Native settler of what would later become Chicago, Illinois, and is recognized as the city's founder. [7]
The project of reversing the river was completed after Chesbrough's death by the Sanitary District of Chicago (now The Metropolitan Water Reclamation District), created in 1889, which undertook the construction of the Chicago Sanitary and Ship Canal. Chesbrough died in Chicago on August 18, 1886, and was buried at Graceland Cemetery. [5]
The Chicago Sun-Times, the last railroad customer to the east of the bridge, moved their printing plant out of downtown Chicago in 2000, and the bridge has been unused since. It was designated a Chicago Landmark in 2007. The bridge is lowered once a year and inspected by crew driving a Hi-Rail truck, and is still in "active" status. [2] [3]
The bridge in 1950 The bridge in 1987 View of bridge towards the Chicago Harbor Lock and Lake Michigan. This bridge, a public works project during the Great Depression, was designed to ease traffic flow on Michigan Avenue and in the Loop. In 1937 this structure was the longest, widest, and heaviest bascule bridge in the world.
Planned city construction – ancient cities in Mexico–such as Teotihuacan and the Aztec capital of Tenochtitlan–incorporated planned city design, including streets laid out in a grid pattern. Plumbing – the Maya have been found to be the earliest inventors of plumbing in Mesoamerica, with the earliest example of a pressurized water ...