Illinois Route 104

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Illinois Route 104 marker

Illinois Route 104
Route information
Maintained by IDOT
Length: 125.91 mi[2] (202.63 km)
Existed: 1924[1] – present
Major junctions
West end: US 24 / IL 57 in Quincy
I-172 / IL 110 (CKC) in Quincy
US 67 / IL 100 in Meredosia
US 67 in Jacksonville
I-55 in Pawnee
East end: IL 29 in Taylorville
Counties: Adams, Pike, Morgan, Sangamon, Christian
Highway system
IL 103 IL 105

Illinois Route 104 is a state highway in central and western Illinois. It extends from Illinois Route 29 near Taylorville, west over the Illinois River at Meredosia to its western terminus in downtown Quincy. This is a distance of 125.91 miles (202.63 km).[2]

Route description[edit]

IL 104 after IL 107

Illinois 104 crosses Interstate 55 at Exit 82 near Pawnee, and crosses Interstate 172 at Exit 14 near Quincy. The road also crosses Interstate 72 near Jacksonville, but there is no interchange at this crossing.

Illinois 104 doubles as the primary east–west street within the municipality of Quincy, Illinois. Called Broadway Street, the highway carries traffic up and down the Mississippi River bluffs that divide the city.

In Jacksonville, Illinois 104 intersects the new U.S. Route 67 Jacksonville Bypass and follows portions of the new Business U.S. 67 through the city. Northwest of the city, Illinois 104 and U.S. 67 are concurrent for 13 miles (21 km).

Points of interest[edit]

Points of interest along the road include:


Prior to 1937, Illinois 104 had run from Mount Sterling on what is now Illinois Route 99 to Taylorville on modern Illinois 104. After 1937, the route took its current routing.[1]


  1. ^ a b Carlson, Rich. Illinois Highways Page: Routes 101 thru 120. Last updated March 15, 2005. Retrieved April 28, 2006.
  2. ^ a b Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.