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  5. ›Garden Valley Road Bridge (056-3028)…

Awarded contract·McHenry County·Illinois

Garden Valley Road Bridge (056-3028) Rehabilitation/Reconstruction Project

Won by Gonzales Companies, LLC$500kAwarded 8/6/2025Single Award
Contract source

Awarded vendors

  • Gonzales Companies, LLC

Description

This procurement concerns the rehabilitation and reconstruction of the Garden Valley Road Bridge (Project ID 056‑3028) located in McHenry County, Illinois. The county issued an RFQ (25‑8435) for Phase I engineering services (surveys, hydraulic and wetland studies, design reports, permitting, and public outreach) followed by Phase II final design and specifications. The solicitation required IDOT pre‑qualification, submission of an Affidavit of Availability, and a suite of technical and staffing documents. After evaluating 20 proposals, the selection committee ranked Gonzales Companies, LLC highest and recommended award. The contract’s anticipated engineering schedule is roughly 24‑36 months for Phase I and 12‑18 months for Phase II, with the bridge’s construction budget estimated at $5 million.

Attached files

Key dates

Bids closed
7/22/2025
Intent to award
8/6/2025
Awarded
8/6/2025
Duration
36 months

Last updated

Details

Award type
Single Award
Procurement
Full and Open Competition
Industry
Civil Engineering
NAICS
541330
Solicitation №
25-8435

Contract value

$500,000

The solicitation does not disclose the engineering services fee. However, the construction portion of the bridge is estimated at $5 million (see the “Construction Cost Estimate” in the specifications). Engineering design contracts for a bridge of this scope typically range from 5 % to 10 % of construction cost, depending on the depth of design and study requirements. Assuming a mid‑range 7 % fee, the engineering services would be roughly $350,000. Adding possible overhead for project management, travel, and contingency could bring the total to about $400,000‑$500,000. Therefore, a reasonable ball‑park for the overall contract value (engineering services only) is approximately $500,000, while the overall project (including construction) is $5,000,000.

AI estimate from the award documents

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