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  5. ›STL District, City of St. Charles, Main Street Extension…

Missouri Department of Transportation·Missouri

STL District, City of St. Charles, Main Street Extension Project

Closes 6/12/2026$1M – $3MInvitation for Bid
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Description

The City of St. Charles is soliciting sealed bids for the Main Street Extension Project, which includes constructing 0.3 mi of new roadway on Main Street and 0.06 mi on Riverside Drive, along with related civil works such as demolition, grading, curb and sidewalk installation, utility relocation, drainage improvements, parking, and street lighting. The project requires contractors to be on the MoDOT Qualified Contractor List, provide a 5 % bid bond, and comply with OSHA 10‑hour safety training requirements. No budget amount is disclosed; bidders must obtain plans (up to three free sets) to develop estimates.

Attached files

Key dates

Opened
5/13/2026
Pre-bid meeting
5/20/2026
Site visit
5/20/2026
Closes
6/12/2026

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
237120
Solicitation №
Bid No. 4835

Budget estimate

$1,000,000 – $3,000,000

No contract value is disclosed, but typical costs for new urban roadway construction range from $2 million to $5 million per mile, depending on utilities, drainage, and ancillary works. The scope here covers roughly 0.36 mi (≈1900 ft) with extensive utility relocation, sidewalk, lighting, and parking—adding roughly 30‑50 % to base road costs. A reasonable ballpark estimate for the total contract award would therefore fall between $1 million and $3 million. This range reflects variation in site conditions, material prices, and the extent of utility work required.

AI estimate from the solicitation

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