IL 255 – Alton Bypass

Project Location and Description
Illinois 255 is a highway constructed on new alignment that is proposed to extend from Interstate 270 near Edwardsville to US 67 in Godfrey. The highway is being constructed in six sections from south to north and the first four sections are complete.

New Pavement Opened
On October 20, 2006, the Illinois Department of Transportation opened the next section of this new 4 lane highway from IL 143 to Fosterburg Road in Alton.

Under Construction
Currently under construction is the earthwork to extend the highway to Seminary Road. The construction of the bridges in this section is already complete.

Upcoming Work
The contract to construct the pavement from Fosterburg Road to Seminary Road will go out for bid in the summer of 2007. Included in the Multi-Year Program is the construction of bridges to carry Wenzel Road over IL 255, to carry IL 255 over Humbert Road, at the Union Pacific Railroad. It also includes the earthwork and paving of IL 255 to US 67 with interchanges at Humbert Road and IL 267/111. The Multi-Year Program projects are dependant on upcoming funding.