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The County of DuPage
Wheaton, Illinois

2020 Retaining Wall Repairs - Various Locations

Updated:Tuesday, June 9, 2020

Project Location(s)

  • CH 7 St. Charles Road - East of Swift Road in Glen Ellyn
  • CH 13 Winfield Road - Across from Main Street Warrenville
  • CH 17 Maple Avenue - Across from Plymouth Street in Downers Grove


Short Description of Work

This project consists of repairs and/or replacement of existing retaining walls at various locations

Traffic Control

Daily lane closures

Contract Cost


Completion Date

November 6, 2020 for all major work. 5 working days are allowed for minor work such as landscape restoration.

Construction Status

  • Message signs were erected on April 20, 2020 to inform motorists of the upcoming construction.
  • Construction begun on wall at Maple Avenue location on April 27, 2020.
  • Construction begun on wall at St. Charles Road location on May 22, 2020.
  • Construction completed on Maple Avenue on May 28, 2020.
  • Construction completed at St. Charles Road on June 1, 2020.
  • Construction begun on wall at Winfield Road location on June 2, 2020.
  • Construction completed at Winfield Road on June 5, 2020.
  • All major construction completed as of June 5, 2020 except for miscellaneous restoration items.

Plans, Special Provisions and Bid Details

Link to plans, special provisions, and bid details

Function/RoleResponsible Party

Martam Construction, Inc.
1200 Gasket Drive
Elgin, IL 60120
(847) 608-6800

Resident Engineer

SPAAN Tech, Inc.

Project Engineer

Tom Hardy
DuPage County DOT
(630) 407-6900