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Chicago River

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Chicago

Downtown buildings in Chicago line the river.

Chicago River dye travelling upstream

The Chicago River during the 2005 St. Patrick's Day celebration. Some of the dye has traveled upstream.

Chicago river night

The Chicago River at night, taken from the Michigan avenue bridge.

The Chicago River is a river in Chicago, Illinois. It is 156 miles (251 km) long, and it flows through the downtown section of Chicago.

An interesting fact about the river is that every year on St. Patrick's Day, it is dyed green. The Pipefitters Union uses fluorescein dye. In 1962, 100 pounds (45 kg) of dye were used, which lasted for quite some time. But in modern times the amount of dye used has been decreased to about 40 pounds (18 kg).

GeographyEdit

The river's northernmost branches are called the West Fork, the East Fork (Skokie River) and the Middle Fork, which join into the North Branch at Morton Grove. The North Branch of the river meets up with the Main Branch of the Chicago River at Kinzie Street in Chicago. The Main Branch of the river flows west from Lake Michigan, past the Wrigley Building and the Merchandise Mart.

HistoryEdit

During the 1770s, Jean Baptiste Point du Sable built his farm on the northern bank of the river, which made it the first non-Native American settlement of Chicago. In the beginning of the 19th Century, Fort Dearborn was built on the southern bank of the river.

In 1915, an excurison boat, The Eastland, carrying mostly Czech immigrants from Europe, rolled over at the Clark Street bridge dock, accounting for 812 deaths. To make way for a new railroad teminal in 1928, the South Branch of the Chicago River between Polk and 18th streets was straightened and moved about 1/4 miles (400 m) west.

In 1990, the flow of the river was reversed from north (to Lake Michigan) to south (towards the Mississippi River basin) to keep Chicago and Lake Michigan clean of sanitary waste.

BridgesEdit

The Chicago River has 45 movable bridges spanning across it, which at one time was 52 bridges. The several types of bridges found here are: trunnion bascule, scherzer rolling lift, swing bridges and vertical lift bridges.

The following bascule bridges cross the river (and its south branch) into the Chicago Loop:

  • Harrison Street Bridge (1960)
  • Congress Parkway Bridge (1954)
  • Van Buren Street Bridge (1956)
  • Jackson Boulevard Bridge (1916)
  • Adams Street Bridge (1927)
  • Monroe Street Bridge (1919)
  • Madison Street Bridge (1922)
  • Washington Street Bridge (1913)
  • Randolph Street Bridge (1984)
  • Lake Street Bridge (1916)
  • Franklin Street Bridge (1920)
  • Wells Street Bridge (1922)
  • La Salle Street Bridge (1928)
  • Clark Street Bridge (1929)
  • Dearborn Street Bridge (1963)
  • State Street Bridge (1949)
  • Wabash Avenue Bridge (1930)
  • Michigan Avenue Bridge (1920)
  • Columbus Drive Bridge (1982)
  • Lake Shore Drive Bridge (1937)
Smallwikipedialogo.png This page uses content from Wikipedia. The original article was at Chicago River. The list of authors can be seen in the page history. As with Chicago, the text of Wikipedia is available under the GNU Free Documentation License.


Commons-logo Commons: Chicago River – Pictures, Videos and/or Audio files from the Wikimedia Foundation. As with Chicago, the media files of Wikimedia Commons is available under the GNU Free Documentation License.


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