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
February
Letting Proposal Activity Activity Date
20190220 New Letting Created 02/19/2019
001 - C21897 New Proposal Added 02/19/2019
20190215 001 - C21897 Proposal Withdrawn 02/19/2019
20190221 001 - C20851 Proposal Withdrawn 02/15/2019
004 - C22392R Proposal Withdrawn 02/15/2019
005 - C22581 Proposal Withdrawn 02/15/2019
20190314 New Letting Created 02/14/2019
20190307 New Letting Created 02/14/2019
20190215 New Letting Created 02/14/2019
20190307 001 - C20325 New Proposal Added 02/14/2019
001 - C20325 1 New Attachment - C20325.pdf 02/14/2019
001 - C20325 595 Plan Sheets Added 02/14/2019
20190214 001 - C20600 Apparent Bids Updated; Letting: 20190214, Contid: C20600, Bidders: 672A, 045A, 232A, 1273A, 160A 02/14/2019
20190314 002 - C20887 New Proposal Added 02/14/2019
002 - C20887 1 New Attachment - C20887.pdf 02/14/2019
002 - C20887 451 Plan Sheets Added 02/14/2019
20190307 004 - C20999 New Proposal Added 02/14/2019
004 - C20999 1 New Attachment - C20999.pdf 02/14/2019
004 - C20999 547 Plan Sheets Added 02/14/2019
20190214 002 - C21796 Apparent Bids Updated; Letting: 20190214, Contid: C21796, Bidders: 637A, 757A, 032A, 924A 02/14/2019
20190307 003 - C21896 New Proposal Added 02/14/2019
003 - C21896 1 New Attachment - C21896.pdf 02/14/2019
003 - C21896 328 Plan Sheets Added 02/14/2019
20190215 001 - C21897 New Proposal Added 02/14/2019
20190212 001 - C21897 Proposal Withdrawn 02/14/2019
20190307 002 - C21927 New Proposal Added 02/14/2019
002 - C21927 1 New Attachment - C21927.pdf 02/14/2019
002 - C21927 325 Plan Sheets Added 02/14/2019
20190314 001 - C22044-ALT New Proposal Added 02/14/2019
001 - C22044-ALT 1 New Attachment - C22044-ALT.pdf 02/14/2019
001 - C22044-ALT 1274 Plan Sheets Added 02/14/2019
20190307 005 - C22536 New Proposal Added 02/14/2019
005 - C22536 1 New Attachment - C22536.pdf 02/14/2019
005 - C22536 148 Plan Sheets Added 02/14/2019
20190221 004 - C22392R 17 Plan Sheets Added 02/13/2019
20190212 New Letting Created 02/12/2019
001 - C21897 New Proposal Added 02/12/2019
20190221 004 - C22392R Amendment Loaded 02/11/2019
004 - C22392R 1 New Attachment - 22392Rrv1.pdf 02/11/2019
20190207 002 - C20908 Apparent Bids Updated; Letting: 20190207, Contid: C20908, Bidders: 1275A, S3913, 005A, 854A 02/07/2019
004 - C20982 Apparent Bids Updated; Letting: 20190207, Contid: C20982, Bidders: 1507A, 1476A 02/07/2019
001 - C21200 Apparent Bids Updated; Letting: 20190207, Contid: C21200, Bidders: 116B, 672A 02/07/2019
007 - C22389 Apparent Bids Updated; Letting: 20190207, Contid: C22389, Bidders: 02/07/2019
(43 Activities) More... Searching...