Illinois Route 163

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Illinois Route 163 marker

Illinois Route 163
Route information
Maintained by IDOT
Length: 9.89 mi[1] (15.92 km)
Existed: 1954 – present
Major junctions
South end: IL 158 in Millstadt
North end: IL 15 in Alorton
Counties: St. Clair
Highway system
IL 162 IL 164

Illinois Route 163 is a 9.89 miles (15.92 km) north–south highway in southwestern Illinois.[1] It runs from Illinois Route 158 in Millstadt north to Illinois Route 15 in Alorton; the route is located entirely within St. Clair County. Route 163 is maintained by the Illinois Department of Transportation.

Route description[edit]

St. Louis Skyline and Route 163, north of Millstadt

Illinois 163 begins at a junction with Illinois 158 in downtown Millstadt. The highway leaves the village to the north, entering rural Millstadt Township. After passing St. James Catholic Cemetery, it crosses into Stookey Township. The route then curves north-northwest past Concordia Church and Cemetery. Upon crossing Prairie Dupont Creek, it turns north through the community of Westview. At Booker T. Washington Cemetery, the route heads northwest into Centreville Township, where it meets Illinois 157. The highways run northward concurrently and enter Centreville before intersecting Illinois 13. At this junction, Illinois 157 follows Illinois 13 eastward, while Illinois 163 continues northward through a primarily residential area. The highway turns northeast into Alorton and passes under an overpass carrying Interstate 255 and U.S. Route 50, which do not meet Illinois 116. From here Illinois 116 runs parallel to the south of Illinois 15 before terminating at an intersection with this route. Illinois 163 is a two-lane road for its entire length.[2][3]


SBI Route 163 originally ran from Illinois Route 1 to Palestine. In 1937, this route became part of Illinois Route 33 (which turns south at Palestine). It was moved to its current alignment in 1954. From 1954-1957, it was also signed Bypass U.S. Route 50.[4]

Major intersections[edit]

The entire route is in St. Clair County.

Location mi[2] km Destinations Notes
Millstadt 0.0 0.0 IL 158
Centreville Township 7.0 11.3 IL 157 South end of concurrency with IL 157
Centreville 7.5 12.1 IL 13 / IL 157 North end of concurrency with IL 157
Alorton 9.9 15.9 IL 15
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08. 
  2. ^ a b Google (October 5, 2011). "Overview map of Route 163" (Map). Google Maps. Google. Retrieved October 5, 2011. 
  3. ^ St. Clair County General Highway Map (PDF) (Map). Illinois Department of Transportation. 2011. Retrieved October 5, 2011. 
  4. ^ Carlson, Rich (2005-04-15). "Illinois Highways Page: Routes 161 thru 180". Retrieved 2006-08-14. 

Route map: Bing / Google

KML is from Wikidata