PROJECT OVERVIEW - BYPASS
The proposed alignment of Illinois Route 31 (Western
Algonquin Bypass) will be located on the existing
Toastmaster¸ Prairie Trail Oasis, and Algonquin
Roadhouse properties. Due to manufacturing that took
place at the Toastmaster site, the presence of heavy
metals was found in the soil during the Preliminary
Environmental Site Assessment (PESA) and Preliminary
Site Investigation (PSI) that were conducted by the
Department. In order to acquire these parcels,
additional testing and coordination with the Illinois
Environmental Agency (IEPA) was required.
This acquisition became the controlling factor in the
In order to build the proposed improvement, four (4)
contracts were planned to be let; Hazardous Materials
Mitigation, Building Demolition, Mass Grading, and
Roadway Construction. Advance contracts for building
demolition and Toastmaster site hazardous materials
mitigation have been awarded and completed. The Mass
grading contract was awarded to Ryan Incorporated on
April 23, 2012 and is scheduled to be completed November
30, 2012. The Roadway Contract was let for bids on the
June 15, 2012 letting; the project was awarded to F.H.
Paschen on July 30, 2012. The project is targeted
to be completed on July 31, 2014.
The Roadway Contract (Contract 60F72) consists of the
construction of the new four lane divided highway and
diamond interchange for the Western Algonquin Bypass.
With this, portions of existing IL Route 31, Huntington
Drive and Algonquin Road will be widened and resurfaced
or reconstructed to accommodate the new alignment. This
work includes both hot –mix asphalt pavement and P.C.
Concrete pavement. It will also include four new
bridges, retaining walls, noise walls, new traffic
signals, roadway lighting, the relocation of sanitary
sewer and water main, pavement markings, the relocation
of Crystal Creek, landscaping and restoration.