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
20200227 002 - C22997 Attachment Deleted - 22997rv1.docx 02/18/2020
002 - C22997 1 New Attachment - 22997rv1.docx 02/18/2020
002 - C22997 20 Plan Sheets Added 02/18/2020
001 - C21778 Amendment Loaded 02/18/2020
001 - C21778 1 New Attachment - 21778rv1.pdf 02/18/2020
001 - C21778 30 Plan Sheets Added 02/18/2020
002 - C22997 User deleted 7 Plan Sheets for letting 20200227 and proposal C22997 02/18/2020
002 - C22997 User deleted 12 Plan Sheets for letting 20200227 and proposal C22997 02/18/2020
002 - C22997 20 Plan Sheets Added 02/18/2020
20200213 003 - C23464 Apparent Bids Updated; Letting: 20200213, Contid: C23464, Bidders: 6268A, 784A, 1587, 1701 02/14/2020
20200227 004 - C22702 Proposal Withdrawn 02/14/2020
002 - C22997 Amendment Loaded 02/14/2020
002 - C22997 1 New Attachment - 22997rv1.docx 02/14/2020
20200305 Letting Made Available 02/13/2020
20200312 Letting Made Available 02/13/2020
20200213 001 - C23396 Apparent Bids Updated; Letting: 20200213, Contid: C23396, Bidders: 005A, 766C, 027A 02/13/2020
003 - C23464 Apparent Bids Updated; Letting: 20200213, Contid: C23464, Bidders: 02/13/2020
004 - C22473 Apparent Bids Updated; Letting: 20200213, Contid: C22473, Bidders: 954A, 360A, 1717, 997A, 503F, 780A 02/13/2020
005 - C22254 Apparent Bids Updated; Letting: 20200213, Contid: C22254, Bidders: 02/13/2020
20200206 007 - C22422 Apparent Bids Updated; Letting: 20200206, Contid: C22422, Bidders: 672A, 027A, 005A 02/13/2020
20200305 001 - C20626 294 Plan Sheets Added 02/12/2020
002 - C23407 187 Plan Sheets Added 02/12/2020
003 - C23000 324 Plan Sheets Added 02/12/2020
004 - C22910 282 Plan Sheets Added 02/12/2020
005 - C22554 133 Plan Sheets Added 02/12/2020
006 - C20955 216 Plan Sheets Added 02/12/2020
007 - C22823 276 Plan Sheets Added 02/12/2020
008 - C22805 259 Plan Sheets Added 02/12/2020
009 - C23098 347 Plan Sheets Added 02/12/2020
010 - C23266 179 Plan Sheets Added 02/12/2020
20200312 001 - C22079 1351 Plan Sheets Added 02/12/2020
002 - C21471 467 Plan Sheets Added 02/12/2020
20200227 006 - C21903 372 Plan Sheets Added 02/11/2020
006 - C21903 6 Plan Sheets Added 02/11/2020
006 - C21903 2 Plan Sheets Added 02/11/2020
006 - C21903 3 Plan Sheets Added 02/11/2020
20200213 002 - C21903 Proposal Withdrawn 02/10/2020
20200227 006 - C21903 New Proposal Added 02/10/2020
006 - C21903 Proposal Alert Updated 02/10/2020
006 - C21903 1 New Attachment - C21903.pdf 02/10/2020
006 - C21903 1 New Attachment - 21903rv1.docx 02/10/2020
006 - C21903 1 New Attachment - 21903rv2.docx 02/10/2020
20200206 001 - C22600 Apparent Bids Updated; Letting: 20200206, Contid: C22600, Bidders: 02/06/2020
002 - C21798 Apparent Bids Updated; Letting: 20200206, Contid: C21798, Bidders: 032A, 637A 02/06/2020
004 - C23278 Apparent Bids Updated; Letting: 20200206, Contid: C23278, Bidders: 607A, 1587 02/06/2020
005 - C23432 Apparent Bids Updated; Letting: 20200206, Contid: C23432, Bidders: 02/06/2020
007 - C22422 Apparent Bids Updated; Letting: 20200206, Contid: C22422, Bidders: 672A, 027A, 005A 02/06/2020
008 - C22385 Apparent Bids Updated; Letting: 20200206, Contid: C22385, Bidders: 1276A, 1231A, 1476A, 1507A, 178A 02/06/2020
009 - C23279 Apparent Bids Updated; Letting: 20200206, Contid: C23279, Bidders: 1174A, 884A, 696A, 232A, 870A 02/06/2020
010 - C20518 Apparent Bids Updated; Letting: 20200206, Contid: C20518, Bidders: 02/06/2020
(50 Activities) More... Searching...