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Dec 1, 2015 · A pair of bascule rail bridges cross the Chicago River a few miles from the city center. On the right, the St Charles Airline Bridge, constructed in 1919 by the American Bridge Company. It originally had a span of 260 feet (79m), but was reduced to 220 feet in 1930 when the Chicago River was straightened.
- Dennis Debruler
1 day ago · Contains Spoilers for "Chicago Fire" Season 13, Episode 4 — "Through the Skin" Big messes call for revolutionary solutions, and the One Chicago Franchise world is utterly loaded with disasters ...
Sep 30, 2013 · The trunnion bascule design, also known as the Chicago Bridge, is popular in river cities throughout the world. North Avenue Chicago's 7th Trunnion Bascule Bridge. Source: Library of Congress Historic American Buildings Survey. Trunnion bascule bridges have two leaves that swing vertically on large pivots. The large counter weight is hidden in ...
Chicago Fire delivered a dramatic new episode on Wednesday night that saw a big shakeup at Firehouse 51. When we last saw the firefighters of One Chicago, Chief Dom Pascal had dismissed Jack Damon.
There are three types of bascule bridge [1] and the counterweights to the span may be located above or below the bridge deck. The fixed-trunnion (sometimes a "Chicago" bascule) rotates around a large axle that raises the span(s). The Chicago bascule name derives from the location where it is widely used, and is a refinement by Joseph Strauss of ...
Joseph B. Strauss Bascule Bridge. After graduating from the University of Cincinnati in 1892, Joseph Strauss (STRUCTURE, October 2012) became a draftsman for the New Jersey Steel and Iron Company at Trenton, NJ. At the end of the year, Joseph went to the Lassig Bridge and Iron Company of Chicago for two years, working as a detailer, inspector ...
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What is a bascule bridge?
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Trunnion bascule bridges, like this one, are distinctive features of Chicago's infrastructure. They’re movable bridges with counterweights that lift by rotating around large, fixed axles called trunnions. The enormous underground counterweights balance the bridge’s leaves and allow relatively small motors to open and close the bridge.
