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  4. ›Civil Engineering
  5. ›I-70 and 29 Road Interchange and 29 Road Corridor Design…

City of Grand Junction·Colorado

I-70 and 29 Road Interchange and 29 Road Corridor Design Services

Closes 1/23/2026$500k – $2MRequest for Proposal
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Description

This solicitation seeks professional engineering design services for a major highway interchange and an associated corridor in the Denver metropolitan area. The work will encompass conceptual, preliminary, and detailed design phases for the I‑70/29 interchange and the 29‑road corridor, requiring expertise in civil/transportation engineering, roadway geometry, structural design, and related environmental considerations. Three firms—Felsburg Holt & Ullevig, Huitt‑Zollars, Inc., and Muller Engineering Company, Inc.—are listed as potential vendors, indicating the competitive landscape. The proposal opening is scheduled for January 23, 2026 at 2:00 p.m.; no further schedule details (e.g., submission deadline, award date) are disclosed in the excerpt. • Design services for a complex I‑70/29 interchange and 29‑road corridor in Colorado. • Requires civil/transportation engineering expertise, including roadway and structural design. • Competitive field includes three local engineering firms; client must assess capability and capacity. • Only opening date is known; additional timeline details are missing and must be obtained.

Attached files

Contact

Kathleen Franklin(Purchasing Agent)

Key dates

Opened
10/7/2026
Closes
1/23/2026

Last updated

Details

Type
Request for Proposal
Industry
Civil Engineering
NAICS
541330
Solicitation №
RFP-5770-26-KF

Budget estimate

$500,000 – $2,000,000

Based on typical design contracts for large highway interchange projects in the U.S., a full design effort (conceptual through detailed design) can range from several hundred thousand dollars to a few million dollars, depending on scope, complexity, and firm rates. Assuming a mid‑size engineering firm, an estimate of $0.5 million to $2 million is reasonable. Factors influencing the range include the length of the corridor, required structural components, environmental mitigation, and the level of detail demanded by the agency.

AI estimate from the solicitation

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