Illinois Route 157

Illinois Route 157 (IL 157) is a 35.50-mile-long (57.13 km) north–south state highway in the southwestern part of the U.S. state of Illinois. The southern terminus of the highway is at an intersection with IL 3 in Cahokia. The northern terminus of the highway is at an intersection with IL 140 in Hamel.

Illinois Route 157
Route information
Maintained by IDOT
Length35.50 mi[1] (57.13 km)
Major junctions
South end IL 3 in Cahokia
North end IL 140 in Hamel
CountiesSt. Clair, Madison
Highway system
IL 156IL 158

Route description

IL 157 travels concurrent with IL 13 and IL 163 in Centreville and IL 159 and IL 143 in Edwardsville. IL 157 is the major north–south road through the busiest towns in Madison County – Collinsville and Edwardsville.

The segment of the highway within the villages of Cahokia and Centreville from IL 3 to IL 13 is known as Camp Jackson Road.

The segment of the highway north from IL 13 to approximately Interstate 270 (I-270) is known as Bluff Road, because it roughly follows the eastern bluffs of the Mississippi River which define the American Bottoms in Madison and St. Clair counties.


State Bond Issue Route (SBI) Route 157 originally traveled from Cahokia to Glen Carbon. It was then extended to the Missouri state line at the Jefferson Barracks Bridge in 1946; this was undone by 1958. In 1965, the northern terminus was moved to Hamel, replacing U.S. Route 66 Bypass (US 66 Byp.), which itself was the US 66 mainline prior to 1957.[2]

Major intersections

St. ClairCahokia0.00.0 IL 3 / Great River Road East St. LouisSouthern terminus of IL 157
2.03.2 I-255 / US 50 Chicago, MemphisI-255 exit 13
5.18.2 IL 163 south (Millstadt Rd) MillstadtSouth end of IL 163 concurrency
Centreville5.69.0 IL 163 north / IL 13 AlortonNorth end of IL 163 concurrency; south end of IL 13 concurrency; western terminus of IL 13
6.09.7 IL 13 east BellevilleNorth end of IL 13 concurrency
6.810.9 IL 15 East St. Louis, Bellevilleinterchange
East St. Louis9.915.9 IL 161 south (St. Clair Ave) Fairview HeightsNorthern terminus of IL 161; interchange
Caseyville10.216.4 I-64 / US 50 Mt. Vernon, St. LouisI-64 exit 9
MadisonCollinsville16.326.2 I-55 / I-70 / US 40 Chicago, Indianapolis, St. Louis, MemphisI-55 / I-70 exit 11
Glen Carbon20.633.2 IL 162 east TroySouth end of IL 162 concurrency
20.733.3 IL 162 west Granite CityNorth end of IL 162 concurrency
21.734.9 I-270 Effingham, St. CharlesI-270 exit 9
22.135.6 Historic US 66 west (Chain of Rocks Road)Southwestern end of Historic US 66 overlap
Edwardsville27.143.6 IL 143 west / IL 159 (Main St)South end of IL 143 concurrency
27.644.4 IL 143 west (E Vandalia St)North end of IL 143 concurrency
Hamel35.5057.13 IL 140 (State St) Alton, GreenvilleNortheastern end of Historic US 66 overlap; northern terminus
Historic US 66 eastContinuation beyond IL 157
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

  • U.S. Roads portal
  • Illinois portal


  1. Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.
  2. Carlson, Rich. (2005-04-15). "Illinois Highways Page: Routes 141 thru 160". Retrieved 2006-07-02.
  3. Google (March 8, 2017). "Overview Map of IL 157" (Map). Google Maps. Google. Retrieved March 8, 2017.
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