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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
December
Letting Proposal Activity Activity Date
20221222 001 - C23557 451 Plan Sheets Added 12/01/2022
002 - C24166 343 Plan Sheets Added 12/01/2022
003 - C23592 426 Plan Sheets Added 12/01/2022
004 - C24063 199 Plan Sheets Added 12/01/2022
004 - C24063 8 Plan Sheets Added 12/01/2022
004 - C24063 172 Plan Sheets Added 12/01/2022
005 - C21591 385 Plan Sheets Added 12/01/2022
006 - C20907 316 Plan Sheets Added 12/01/2022
007 - C24321-ALT 346 Plan Sheets Added 12/01/2022
Letting Made Available 12/01/2022
(10 Activities)
What's New Table. What's New Table lists the last 50 activities that happened in regards to the lettings
November
Letting Proposal Activity Activity Date
20221201 011 - C24878 Proposal Withdrawn 11/29/2022
20221208 002 - C23327 Amendment Loaded 11/29/2022
002 - C23327 1 New Attachment - 23327rv1.pdf 11/29/2022
002 - C23327 33 Plan Sheets Added 11/29/2022
20221201 004 - C24473 13 Plan Sheets Added 11/23/2022
004 - C24473 25 Plan Sheets Added 11/23/2022
001 - C20638R-COMBO 5 Plan Sheets Added 11/22/2022
006 - C24395 26 Plan Sheets Added 11/22/2022
004 - C24473 1 New Attachment - 24473rv2.pdf 11/22/2022
004 - C24473 Amendment Loaded 11/22/2022
004 - C24473 1 New Attachment - 24473rv1.pdf 11/21/2022
006 - C24395 Amendment Loaded 11/21/2022
006 - C24395 1 New Attachment - 24395rv1.doc 11/21/2022
002 - C24208 1 New Attachment - 24208rv2.pdf 11/18/2022
002 - C24208 2 Plan Sheets Added 11/18/2022
002 - C24208 1 New Attachment - 24208rv1.pdf 11/17/2022
20221208 001 - C23697 322 Plan Sheets Added 11/17/2022
002 - C23327 302 Plan Sheets Added 11/17/2022
002 - C23327 13 Plan Sheets Added 11/17/2022
002 - C23327 232 Plan Sheets Added 11/17/2022
003 - C24447 383 Plan Sheets Added 11/17/2022
004 - C25081 190 Plan Sheets Added 11/17/2022
005 - C23971 183 Plan Sheets Added 11/17/2022
20221215 001 - C24193 351 Plan Sheets Added 11/17/2022
002 - C19771 479 Plan Sheets Added 11/17/2022
003 - C23541 207 Plan Sheets Added 11/17/2022
20221208 Letting Made Available 11/17/2022
20221215 Letting Made Available 11/17/2022
20221201 002 - C24208 3 Plan Sheets Added 11/17/2022
002 - C24208 7 Plan Sheets Added 11/17/2022
001 - C20638R-COMBO 1 New Attachment - 20638Rrv1-Combo.docx 11/15/2022
003 - C23560 13 Plan Sheets Added 11/10/2022
003 - C23560 1 New Attachment - 23560rv1.docx 11/09/2022
003 - C23560 12 Plan Sheets Added 11/09/2022
20221117 004 - C22350 New Proposal Added 11/08/2022
004 - C22350 1 New Attachment - C22350.pdf 11/08/2022
004 - C22350 1 New Attachment - 22350rv1.pdf 11/08/2022
004 - C22350 1 New Attachment - C22350.pdf 11/08/2022
004 - C22350 646 Plan Sheets Added 11/08/2022
004 - C22350 77 Plan Sheets Added 11/08/2022
(40 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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