Interstate 180 (Illinois)
I-180 highlighted in red
|Auxiliary route of I-80|
|Maintained by IDOT|
|Length||13.19 mi (21.23 km)|
|History||Completed in 1969|
|South end||IL 26 / IL 71 in Hennepin|
|US 6 in Princeton|
|North end||I-80 in Princeton|
Interstate 180 begins as a continuation of Route 71 at a diamond interchange with Route 26 northeast of Hennepin. The interchange is located adjacent to a former steel mill that was most recently operated by ArcelorMittal until 2009. The freeway travels northwest, carrying I-180 and Route 26 in a concurrency, and crosses the Illinois River on the north side of Hennepin to enter Bureau County.
On the west side of the river, Route 26 separates from I-180 and the freeway crosses over Route 29 before splitting at a Y-interchange. I-180 turns north, intersecting an expressway that connects to Route 29, and travels northeast across Big Bureau Creek to intersect Route 26. The freeway intersects U.S. Route 6 east of Princeton and continues due north to its terminus, a trumpet interchange with I-80. I-180 has four lanes for its entire length.
Construction of I-180 was completed in 1969. The freeway was built primarily to connect Interstate 80 to a new Jones & Laughlin steel plant built in 1965 in Hennepin, IL. However, the steel plant closed soon after I-180 was built, and did not re-open until August 2002. Federal auditors criticized its construction and called it a political favor that was put ahead of other requests from Tucson, Arizona and Tacoma, Washington.
I-180 is one of the least traveled interstates in the nation, serving 1,950–3,600 vehicles per day as of 2013.
|Putnam||Hennepin||0.0||0.0||14||IL 71 / IL 26 south – Hennepin, Lacon||Southern terminus|
South end of IL 26 concurrency
|Bureau||Bureau Junction||2.5||4.0||12||IL 26 north to IL 29 north – Bureau Junction||Northbound exit and southbound entrance|
North end of IL 26 concurrency
|3.5||5.6||-||To IL 29 – Peoria||Indirect access via unnamed connector expressway|
|8.0||12.9||7||IL 26 – Princeton|
|Princeton||12.0||19.3||3||US 6 – Princeton, Spring Valley|
|13.2||21.2||-||I-80 – Davenport, Joliet||Northern terminus; I-80 exit 61.|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Scott, Tony (December 21, 2006). "Strong opinions on Prairie Parkway plans". Oswego Ledger-Sentinel. Archived from the original on December 28, 2010. Retrieved February 15, 2008.
- United States Department of Transportation - Federal Highway Administration (October 31, 2002). "Route Log - Auxiliary Routes of the Eisenhower National System Of Interstate and Defense Highways". Retrieved January 30, 2007.
- Smith, Gary L. (April 19, 2017). "Shuttered Hennepin steel mill being demolished". Journal Star. Peoria, Illinois. Retrieved September 29, 2019.
- Google (September 29, 2019). "Interstate 180" (Map). Google Maps. Google. Retrieved September 29, 2019.
- "Boom Town 1965". Time. July 9, 1965. Retrieved July 9, 2012.
- Polk, James R. (August 4, 1970). "Federal Auditors Criticize a $40-Million Interstate Highway Spur to Illinois Steel Plant". Capital Journal. p. 26. Retrieved July 10, 2018 – via Newspapers.com.
- Illinois Department of Transportation (2013). "T2 GIS Data". Archived from the original on March 2, 2016. Retrieved February 24, 2016.
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