Interstate 474
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Interstate 474 (I-474) is an
Interstate Highway The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...
loop route that provides a southwestern bypass around the north-central
Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...
city of Peoria. I-474's parent Interstate is
I-74 } Interstate 74 (I-74) is an Interstate Highway in the Midwestern and Southeastern United States. Its western end is at an interchange with I-80 in Davenport, Iowa (Quad Cities); the eastern end of its Midwest segment is at an interchange ...
. As the first digit of the Interstate's number is even, it follows the established convention of providing a loop around a city. I-474 is long. I-474 is the highest numbered route in the state of Illinois. It is also, excluding the proposed I-274 in North Carolina, the only auxiliary route of I-74.


Route description

I-474 is a modern, Interstate-standard four-lane freeway for its entire length. Prior to 2006, through truck traffic on
I-74 } Interstate 74 (I-74) is an Interstate Highway in the Midwestern and Southeastern United States. Its western end is at an interchange with I-80 in Davenport, Iowa (Quad Cities); the eastern end of its Midwest segment is at an interchange ...
was instructed to use I-474. This is because prior to its 2004–2007 reconstruction, I-74 was significantly below Interstate standard, having numerous on- and offramps, extremely short merging space for onramps (some less than in length), The
Illinois Route 116 Illinois Route 116 (IL 116) is a cross-state rural state highway that runs from U.S. Route 34 (US 34) by Gladstone east to the intersection of US 45 (North Front Street) and Old US 45, on the north side of Ashkum. Route description The w ...
(IL 116) access interchange at Maxwell Road has been indicated as the eastern terminus for the Quincy to Peoria expressway now known as the IL 336 project.Illinois Department of Transportation.
Image of eastern end of project maps
fro
Peoria to Macomb IDOT site
Retrieved March 27, 2006.
The western terminus of I-474 is at I-74 exit 87A. The eastern terminus of I-474 is at I-74 exit 99. North of the western terminus, the road continues as IL 6 with a new series of exit numbers.


History

I-474 was constructed through the mid-1970s. The now-named
Shade–Lohmann Bridge The Shade–Lohmann Bridge is a pair of twin cantilever bridges that carry Interstate 474 (I-474) and U.S. Route 24 (US 24) over the Illinois River near the Peoria Lock and Dam located at River Mile 158.0 in Tazewell County, in the U.S. sta ...
was erected in 1973. During that year, $30.1 million (equivalent to $ in ) was allocated for acquisition of
right-of-way Right of way is the legal right, established by grant from a landowner or long usage (i.e. by prescription), to pass along a specific route through property belonging to another. A similar ''right of access'' also exists on land held by a gov ...
, grading work, and overpass/bridge construction across the whole length of the highway.


Exit list


References


External links


Illinois Highway Ends: Interstate 474
{{3di, 74 74-4 74-4 Transportation in Peoria County, Illinois Transportation in Tazewell County, Illinois 4