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The Des Plaines River flows southward for 150 miles (241 km) through southern Wisconsin and northern IllinoisAmerican Heritage Dictionary of the English Language, Fourth Edition in the U.S. Midwest, eventually meeting the Illinois River, a tributary of the Mississippi River. Des Plaines is French for "of the plains" or "of the prairie."
The river provided a transportation route and portage for native Americans, who revealed to early explorers how to traverse waterways of the Des Plaines watershed to travel from Lake Michigan to the Mississippi Valley. The river's name derives from the period of French exploration and colonization in the New World.
Course and character
The Des Plaines River rises in southern Wisconsin just west of Kenosha and flows southward primarily through marshland as it crosses into Illinois. The river turns to the west and flows through woodland forest preserve districts in Lake County and Cook County (and though the city of Des Plaines), northwest of Chicago. Eventually, the river turns to the southwest and joins with the Sanitary and Ship Canal in Lockport before flowing through the city of Joliet. In the heavily industrialized area around Joliet, dams control the river. Just west of Joliet, the Des Plaines converges with the Kankakee River to form the Illinois River.
Parts of the Des Plaines River preserved in a mostly natural state are used for conservation and recreation, while substantially altered sections serve as an important industrial waterway and drainage channel.
According to Chicago Wilderness Magazine, as the Des Plaines River runs 95 miles through four Illinois counties, it "changes from prairie creek to a suburban stream, to a large urbanized river, to a major industrial waterway." Chicago Wilderness Magazine (online) -- http://chicagowildernessmag.org/issues/summer2000/IWdesplaines.html
Sections of the river in Lake County and Cook County Forest Preserve districts in Illinois create "a nearly continuous greenway though all of Lake County and the northern section of Cook County." While canoe launching ramps are available, "The lack of ramps for trailered-boats makes this long river a quiet, family-friendly river."
Des Plaines River Bridge
The I-80 bridge over the Des Plaines River is a cantilever bridge that is six lanes wide -- three lanes traveling eastbound and westbound. It is actually a fairly dangerous section of road, as the bridge is thirty feet (9.1 m) below the level of the highway's right-of-way immediately west and east of the bridge. A pair of downhill s-curves approach the bridge, and the speed is reduced to 45 mph (70 km/h) from 65 mph (100 km/h). This catches many drivers by surprise, since for at least a hundred miles (161 km) on either side of the bridge, the road is relatively flat and straight.
The bridge is located on the south side of Joliet, Illinois and connects U.S. Highway 6 and U.S. Highway 52/Illinois State Route 53.
Flood control projects
A modern flood control studyUpper Des Plaines River and Tributaries Projects and Feasibility Study, Northwest Municipal Conference (http://www.nwmc-cog.org/jahia/Jahia/cache/offonce/pid/137) report stated that flooding on the Des Plaines River has caused significant damage and economic impacts. The greatest recorded flood, in September 1986 caused an estimated $35 million in damage to 10,000 dwellings and 263 business and industrial sites. A Phase I flood control Project was authorized under the Water Resources Development Act of 1999. Project features include levee, dam, and reservoir expansion at a total cost of $50.5 million (in 2002).
References
External links
- 2000 Des Plaines River Watershed Orthophotography (by Illinois State Geological Survey) http://www.isgs.uiuc.edu/nsdihome/webdocs/desplaines/
"Des Plaines River"