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Highway and Bridge Construction Bidding

Information for bidding on highway and bridge construction projects for the State of Colorado

This page provides access to information on upcoming highway construction bids, bidding rules, prequalification, results of past bids and various electronic bidding resources. 

Pavement Resources

See our Bidding Rules for the bid requirements for Highway & Bridge Construction projects.

Project Bids is the software used to facilitate the bidding process.  This software allows bidders to receive proposal item schedules and submit bids in a secure, electronic environment. Project Bids also tracks Disadvantaged Business Enterprise (DBE) commitments, automates calculations and applies amendments. Download Project Bids. Installing this software will allow you to view a project's schedule which can be found on the Current and Future Bidding Opportunities page.

CDOT does not accept paper bids for Highway and Bridge Construction projects. All bid proposals for the construction projects must be submitted electronically via Bid Express. For help with Bid Express, please contact a customer service representative at 1-888-352-2439, or at [email protected].

NEW: CDOT now offers electronic plans and specifications to registered contractors at B2G. Please be sure to do an account lookup if you are new to the system. Our plan holders list now resides on this site. Find the list by going to the "view" menu, "my bid solicitations" then by project. Contractors who want quotes from other contractors are advised to add your name to the plan holders list on this site. Remember to register to see this list and the plans/specs. 

All contractors must be prequalified to participate in the bids in accordance with the Bidding Rules. Please register and complete our prequal application at least 17 calendar days before any bid opening for which you wish to submit a proposal. Should you be unable to do so 17 or more days prior to opening —please contact our prequalification specialist, Darrell Wells, at 303-787-9215 to verify if the application process can be expedited. 

Vendors interested in providing personal services or materials to CDOT are invited to visit our Procurement Supplier page

Please go to our Projects Page for additional information on all our Design-Build and CMGC projects

The CDOT Plans Room is closed, the plan holder's list, specifications and design drawings can now be seen and downloaded for free by registered users at

To report the site being down, please call the our Office of Information Technology help desk at 303-239-HELP(4357), then select 2 & 2.

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Contact Us

Construction Contracts
Marci Gray
[email protected]

RB Simmons
Contract Administrator
[email protected]

Construction Prequalification
Darrell Wells
Contract Administrator
[email protected]

Colorado: The Official State Web Portal