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Welcome & General Information

Thank you for your interest in our highway and bridge construction projects. The Rules Governing Construction Bidding for CDOT Public Projects ('the Rules"), 2 CCR 601-10, amended July 2018, govern all bids. If you have questions on bid rules or the project records, please contact RB Simmons at 303-757-9416 or Tracie Benton at 303-757-9354. 

General contractors must be registered and prequalified with CDOT to participate in the bids, please see our prequalification application at http://contracts.codot.gov. Darrell Wells is available for any questions you may have regarding prequalification at 303-757-9215. 

Our design-bid-build projects are procured with electronic bids exclusively on this website. To enter a proposal, you must obtain a Digital ID with Bid Express for an authorized agent identified on your CDOT prequalification application. To sign up for electronic bidding or if you have technical difficulties on the Bid Express web site or with the Project Bids software, please contact Bid Express Customer Support, 888-352-BIDX (2439) or email them at customer.support@bidx.com.

Plans and Specifications

We now have plans and specifications for all advertised projects at http://contracts.codot.gov. You must be registered on the system to see these documents. You will find them in the View menu of the Dashboard, under the "My Bid Solicitations" menu. While you view the plans and specs you can join the main Plan Holders List for CDOT. Bid Express, this site, also allows contractors to voluntarily join a Bid Express Plan Holders List.  

Notice to E-Bidders

The software required to read the electronic bid files is available at https//bids.cloverleaf.net/. Please create a user profile and hit "enter" once you complete all of the fields.

CDOT wishes to notify all bidders that the Department will affirmatively ensure that for any contracts entered into pursuant to the advertisements we post, disadvantaged business enterprises will be afforded full and fair opportunity to submit bids in response to our invitations. No bidders will be discriminated against on the grounds of race, color, national origin in the consideration for award in accordance with the provisions of Title VI of the Civil Rights Act of 1964 (78 Stat. 525, 42 USC). 

CDOT, in accordance with the provisions of Title VI of the Civil Rights Act of 1964 (78 Stat. 252, 42 U.S.C.  ยง 2000d to 2000d-4) and the associated Regulations, hereby notifies all bidders that it will ensure that for any contract entered into pursuant to our advertisements, disadvantaged business enterprises will be afforded full and fair opportunity to submit bids in response to this invitation and will not be discriminated against on the grounds of race, color, or national origin in consideration for an award.

The work on our projects is vital to the health of Colorado's economy and the traveling public's quality of life. We look forward to working with you.

What's New?

What's New Table. What's New Table lists the last 50 activities that happened in regards to the lettings
April
Letting Proposal Activity Activity Date
20210421 New Letting Created 04/15/2021
001 - C24297 New Proposal Added 04/15/2021
20210506 003 - C23425 17 Plan Sheets Added 04/13/2021
20210422 002 - C23522 Amendment Loaded 04/12/2021
002 - C23522 1 New Attachment - 23522rv1.docx 04/12/2021
002 - C23522 107 Plan Sheets Added 04/12/2021
20210506 003 - C23425 New Proposal Added 04/12/2021
003 - C23425 1 New Attachment - C23425.pdf 04/12/2021
003 - C23425 1 New Attachment - C23425.pdf 04/12/2021
003 - C23425 1 New Attachment - 23425rv1.docx 04/12/2021
003 - C23425 1 New Attachment - C23425.pdf 04/12/2021
003 - C23425 1 New Attachment - 23425rv2.docx 04/12/2021
003 - C23425 1 New Attachment - 23425rv1.docx 04/12/2021
003 - C23425 Proposal Alert Updated 04/12/2021
003 - C23425 391 Plan Sheets Added 04/12/2021
003 - C23425 10 Plan Sheets Added 04/12/2021
Letting Made Available 04/08/2021
20210429 Letting Made Available 04/08/2021
001 - C23186 New Proposal Added 04/08/2021
001 - C23186 1 New Attachment - C23186.pdf 04/08/2021
002 - C20895 New Proposal Added 04/08/2021
002 - C20895 1 New Attachment - C20895.pdf 04/08/2021
003 - C20694 New Proposal Added 04/08/2021
003 - C20694 1 New Attachment - C20694.pdf 04/08/2021
004 - C23399 New Proposal Added 04/08/2021
004 - C23399 1 New Attachment - C23399.pdf 04/08/2021
20210506 001 - C21324 New Proposal Added 04/08/2021
001 - C21324 1 New Attachment - C21324.pdf 04/08/2021
002 - C19263 New Proposal Added 04/08/2021
002 - C19263 1 New Attachment - C19263.pdf 04/08/2021
20210429 001 - C23186 517 Plan Sheets Added 04/08/2021
002 - C20895 461 Plan Sheets Added 04/08/2021
003 - C20694 352 Plan Sheets Added 04/08/2021
004 - C23399 658 Plan Sheets Added 04/08/2021
20210506 001 - C21324 1342 Plan Sheets Added 04/08/2021
002 - C19263 795 Plan Sheets Added 04/08/2021
20210429 004 - C23399 1 New Attachment - 23399rv1.docx 04/08/2021
004 - C23399 2 Plan Sheets Added 04/08/2021
20210422 001 - C23425 Proposal Withdrawn 04/07/2021
20210415 002 - C21854 3 Plan Sheets Added 04/06/2021
002 - C21854 1 New Attachment - 21854rv1.pdf 04/05/2021
(41 Activities)
What's New Table. What's New Table lists the last 50 activities that happened in regards to the lettings
March
Letting Proposal Activity Activity Date
20210422 001 - C23425 Amendment Loaded 03/31/2021
001 - C23425 1 New Attachment - 23425rv1.docx 03/31/2021
20210415 002 - C21854 Attachment Deleted - C21854.pdf 03/30/2021
002 - C21854 1 New Attachment - C21854.pdf 03/30/2021
Letting Made Available 03/25/2021
20210422 002 - C23522 New Proposal Added 03/25/2021
002 - C23522 1 New Attachment - C23522.pdf 03/25/2021
20210415 001 - C21795 825 Plan Sheets Added 03/25/2021
002 - C21854 428 Plan Sheets Added 03/25/2021
(9 Activities) More... Searching...

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Bid Express: New Roads

Bid Express: New Roads is a series of updates aimed at creating a more personalized experience that better caters to individual needs, jobs, and responsibilities.

Over the coming months, we'll be rolling out redesigned experiences to you across the entire service. Learn more.

Don't worry, if you don't love it, you can switch back to classic Bid Express for a limited time while you get used to the new look.

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