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
July
Letting Proposal Activity Activity Date
20200820 New Letting Created 07/30/2020
001 - C21345 New Proposal Added 07/30/2020
001 - C21345 1 New Attachment - C21345.pdf 07/30/2020
002 - C23099 New Proposal Added 07/30/2020
002 - C23099 1 New Attachment - C23099.pdf 07/30/2020
003 - C23006 New Proposal Added 07/30/2020
003 - C23006 1 New Attachment - C23006.pdf 07/30/2020
004 - C23530 New Proposal Added 07/30/2020
004 - C23530 1 New Attachment - C23530.pdf 07/30/2020
005 - C23533 New Proposal Added 07/30/2020
005 - C23533 1 New Attachment - C23533.pdf 07/30/2020
001 - C21345 303 Plan Sheets Added 07/30/2020
002 - C23099 542 Plan Sheets Added 07/30/2020
003 - C23006 358 Plan Sheets Added 07/30/2020
004 - C23530 241 Plan Sheets Added 07/30/2020
005 - C23533 127 Plan Sheets Added 07/30/2020
20200806 Letting Made Available 07/27/2020
Letting Made Available 07/27/2020
20200723 001 - C22478 Apparent Bids Updated; Letting: 20200723, Contid: C22478, Bidders: 1721, 1282A 07/23/2020
002 - C23330 Apparent Bids Updated; Letting: 20200723, Contid: C23330, Bidders: 1721, 1282A 07/23/2020
003 - C20627 Apparent Bids Updated; Letting: 20200723, Contid: C20627, Bidders: 232A 07/23/2020
20200806 001 - C23618 257 Plan Sheets Added 07/16/2020
001 - C23618 231 Plan Sheets Added 07/16/2020
001 - C23618 12 Plan Sheets Added 07/16/2020
002 - C21866 563 Plan Sheets Added 07/16/2020
003 - C23119 132 Plan Sheets Added 07/16/2020
004 - C22950 339 Plan Sheets Added 07/16/2020
005 - C21453 211 Plan Sheets Added 07/16/2020
20200723 001 - C22478 5 Plan Sheets Added 07/14/2020
002 - C23330 1 New Attachment - 23330rv1.docx 07/10/2020
002 - C23330 Attachment Deleted - 23330rv1.docx 07/10/2020
002 - C23330 1 New Attachment - 23330rv1.docx 07/10/2020
002 - C23330 Attachment Deleted - 23330rv1.docx 07/10/2020
002 - C23330 1 New Attachment - 23330rv1.docx 07/10/2020
002 - C23330 3 Plan Sheets Added 07/10/2020
001 - C22478 1 New Attachment - 22478rv1.docx 07/10/2020
20200709 005 - C22481 Apparent Bids Updated; Letting: 20200709, Contid: C22481, Bidders: 279A, 232A, 870A, 1721, 1567A, 1415A 07/09/2020
004 - C23214 Apparent Bids Updated; Letting: 20200709, Contid: C23214, Bidders: 1476A, 1507A, 1231A, 697A, 1276A, 178A 07/09/2020
006 - C23362 Apparent Bids Updated; Letting: 20200709, Contid: C23362, Bidders: 1282A, 1721, 1685A 07/09/2020
007 - C23413R Apparent Bids Updated; Letting: 20200709, Contid: C23413R, Bidders: 162A, 607A, 1701 07/09/2020
008 - 23098S Apparent Bids Updated; Letting: 20200709, Contid: 23098S, Bidders: 1912, 1713A, 678A, 1342A 07/09/2020
(41 Activities) More... Searching...

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