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US 34 & 52 Bridge Replacements

District 3

Delivery Method: Design-Build (DB)

Project Summary

The Project includes replacement of two aging bridges in Lasalle County, Illinois; the bridge carrying US 34/IL 23 over the Little Indian Creek, located 4 miles west of Somonauk, and the bridge carrying US 52 over the Fox River, located 2 miles west of IL 71. Replacing these bridges will support continued access for residents, businesses, emergency services, and visitors traveling through the area.

At both locations, the existing bridges will be removed and replaced with new structures designed to better serve today’s transportation needs and reduce long-term maintenance. The work will also include related roadway improvements, such as adjusting the road approaches, resurfacing pavement, adding paved shoulders, upgrading guardrail, relocating a driveway where needed, and completing grading within the project limits. The lump sum construction cost is $12,596,761.

Location – LaSalle County, IL

Project Goals

  • Improve the condition of US 30 pavement by replacing worn roadway surfaces and making the corridor smoother, more reliable, and easier to maintain for everyday travel.
  • Reduce construction-related delays and access impacts as much as practical by planning the work to maintain local access, support downtown travel needs, and keep traffic moving during construction.
  • Limit impacts to nearby historic properties and businesses during construction by identifying potential concerns early and coordinating work activities to reduce disruptions where feasible.

Project Milestones

COMPLETE

Planning Phase:

Written Determination US 34         

October 3, 2024

Written Determination US 52

December 6, 2024

Pre-Procurement Phase:

Notice of Intent (NOI)                   

January 21, 2025

Request for Information (RFI)

January 30, 2025

Industry Forum

February 24, 2025

Procurement Phase:

Issue the Request for Qualifications (RFQ)

March 31, 2025            

RFQ Request for Clarification (RFC) Due

April 14, 2025

Issue RFQ Addendum #1

April 21, 2025

Statements of Qualifications (SOQ) Due

May 20, 2025

Notification of Shortlisted Proposers

July 1, 2025

Issue the Request for Proposals (RFP)

July 31, 2025

Issue RFP Addendum #1

August 25, 2025

RFP Request for Clarification (RFC) Due

September 12, 2025

Issue RFP Addendum #2

September 17, 2025

Issue RFP Addendum #3

October 13, 2025

Proposals Due

October 23, 2025

Notice of Intent to Award / DB Team Selection

December 10, 2025

IN-PROGRESS

Implementation Phase:

Design & Construction Notice to Proceed (NTP1)     

March 27, 2026            

Substantial Completion

November 2027

Final Acceptance

May 2028

Project Team

  • Design-Build Team : “D” Construction, Inc.
  • Engineer-of-Record : GFT

Project Documents

Why utilize Design-Build (DB) Delivery?

Project improvements are accelerated by combining design and construction under a single contract, fostering collaboration, allowing for innovative procedures, and improving cost and schedule certainty.