Welcome & General Information

The Rules Governing Construction Bidding for CDOT Public Projects ('the Rules"), 2 CCR 601-10, amended April 2014, govern all bids. If you have questions on bid rules or the project records, please contact Marci Gray at 303-757-9297, 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. Our design-bid-build projects are procured exclusively on this website. To enter a proposal, you must obtain a Digital ID with Bid Express for an agent identified on your prequalification application.  

If you have questions about prequalification, please call Peter Avbvenake at 303-757-9583. 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.

Notice to E-Bidders

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

Bid Express allows contractors to voluntarily join a Bid Express Plan Holders List available on this site. This list is exclusive of CDOT's Plan Holder List. To be added to the CDOT list as well, please call 303-757-9313. That list is posted on the CDOT website at https://www.codot.gov/business/bidding/documents/Planholderjune%204.pdf.

Colorado certified DBE's and ESB's that are actively bidding on CDOT construction projects may apply through the Connect2DOT Program for a free Bid Express account sponsored by CDOT. There are a limited number of accounts that will be provided to qualifying applicants on a first-come, first-serve basis. You must be a registered client with the Colorado Small Business Development Center (SBDC) Network prior to applying. Click here to see if you meet the eligibility requirements and to apply online for a free account. If you do not qualify or if there are no available sponsored accounts, you may visit a Connect2DOT kiosk and use a Bid Express demo account to download/print CDOT project plans, conduct bid tab analysis, and use the Bid Express Small Business Network. If you have questions, please contact the Connect2DOT Program Manager at (720) 624-6728 or email info@connect2DOT.org.

CDOT hereby notifies all bidders that it will affirmatively ensure that for any contracts entered into pursuant to these advertisements, disadvantaged business enterprises will be afforded full and fair opportunity to submit bids in response to these invitations and will not be discriminated against on the grounds of race, color, or national origin in consideration for awards in accordance with the provisions of Title VI of the Civil Rights Act of 1964 (78 Stat. 252, 42 US.C. § § 2000d to 2000d-4) and the associated regulations.

Thank you for your interest in our projects. We look forward to working with you in our effort to become the best transportation department in the country.

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
20180315 New Letting Created 02/15/2018
20180308 New Letting Created 02/15/2018
20180220 New Letting Created 02/15/2018
20180308 001 - C20254 New Proposal Added 02/15/2018
001 - C20254 1 New Attachment - C20254.pdf 02/15/2018
001 - C20254 426 Plan Sheets Added 02/15/2018
20180215 002 - C20705 Apparent Bids Updated; Letting: 20180215, Contid: C20705, Bidders: 005A, 027A, 672A, 1658 02/15/2018
20180308 003 - C20768 New Proposal Added 02/15/2018
003 - C20768 1 New Attachment - C20768.pdf 02/15/2018
003 - C20768 330 Plan Sheets Added 02/15/2018
20180220 001 - C21506-COMBO New Proposal Added 02/15/2018
20180315 001 - C21744 New Proposal Added 02/15/2018
001 - C21744 1 New Attachment - C21744.pdf 02/15/2018
001 - C21744 348 Plan Sheets Added 02/15/2018
20180308 002 - C22010 New Proposal Added 02/15/2018
002 - C22010 1 New Attachment - C22010.pdf 02/15/2018
002 - C22010 276 Plan Sheets Added 02/15/2018
008 - C22081 New Proposal Added 02/15/2018
008 - C22081 1 New Attachment - C22081.pdf 02/15/2018
008 - C22081 168 Plan Sheets Added 02/15/2018
006 - C22167 New Proposal Added 02/15/2018
006 - C22167 1 New Attachment - C22167.pdf 02/15/2018
006 - C22167 118 Plan Sheets Added 02/15/2018
005 - C22309 New Proposal Added 02/15/2018
005 - C22309 1 New Attachment - C22309.pdf 02/15/2018
005 - C22309 168 Plan Sheets Added 02/15/2018
004 - C22310 New Proposal Added 02/15/2018
004 - C22310 1 New Attachment - C22310.pdf 02/15/2018
004 - C22310 122 Plan Sheets Added 02/15/2018
20180215 004 - C22359 Apparent Bids Updated; Letting: 20180215, Contid: C22359, Bidders: 1174A, 1086A, 1415A, 780A, 169A 02/15/2018
20180308 007 - C22477 New Proposal Added 02/15/2018
007 - C22477 1 New Attachment - C22477.pdf 02/15/2018
007 - C22477 143 Plan Sheets Added 02/15/2018
20180118 006 - C21787 Bid Tabulations Uploaded 02/14/2018
006 - C21787 Plan Holder and Eligible Bidder Lists Uploaded 02/14/2018
20180215 002 - C20705 5 Plan Sheets Added 02/12/2018
20180301 003 - C21906 1 Plan Sheet Added 02/12/2018
20180201 001 - C22360 Bid Tabulations Uploaded 02/12/2018
001 - C22360 Plan Holder and Eligible Bidder Lists Uploaded 02/12/2018
20180215 001 - C21088-COMBO Proposal Withdrawn 02/09/2018
20180208 001 - C20927 Apparent Bids Updated; Letting: 20180208, Contid: C20927, Bidders: 868A, 1507A, 697A 02/08/2018
20180301 003 - C21906 New Proposal Added 02/08/2018
003 - C21906 1 New Attachment - C21906.pdf 02/08/2018
003 - C21906 1 New Attachment - 21906rv1.pdf 02/08/2018
003 - C21906 Proposal Alert Updated 02/08/2018
(45 Activities) More... Searching...