Illinois Route 351

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Illinois Route 351 marker

Illinois Route 351
Route information
Maintained by IDOT
Length: 8.55 mi[2] (13.76 km)
Existed: 1966[1] – present
Major junctions
South end: IL 71 / IL 251 in Oglesby
  US 6 in LaSalle
North end: I-80 in LaSalle
Counties: LaSalle
Highway system
IL 336 I-355

Illinois Route 351 is a north–south state route that leads from Illinois Route 71 and Illinois Route 251 by Oglesby through downtown LaSalle to Interstate 80. It is 8.55 miles (13.76 km) long.[2]

Route description[edit]

Illinois 351 is the former Business U.S. Route 51 through La Salle. It crosses over the Illinois River on the Shippingsport Bridge south of La Salle and passes underneath the Abraham Lincoln Memorial Bridge as it climbs out of the Illinois River Valley. Like Illinois Route 251, Illinois 351 can be considered a spur off its parent, U.S. Route 51.


Prior to 1963, U.S. Route 51 ran along this route. From 1963 to 1966, it became Business U.S. 51 as U.S. 51 was rerouted west of La Salle in 1966. It then was changed to Illinois Route 351. U.S. 51 as U.S. 51 was rerouted onto a new freeway (Interstate 39) to the east of La Salle in 1992(?).

External links[edit]


  1. ^ Carlson, Rick. Illinois Highways Page: Routes 203 thru end. Last updated March 15, 2006. Retrieved March 27, 2006.
  2. ^ a b Illinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved 2007-11-08.