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. 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.  § § 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.

Thank you for your interest in our projects. 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
May
Letting Proposal Activity Activity Date
20180607 New Letting Created 05/24/2018
20180524 001 - C20737S Apparent Bids Updated; Letting: 20180524, Contid: C20737S, Bidders: 160A 05/24/2018
20180614 002 - C21289 New Proposal Added 05/24/2018
002 - C21289 1 New Attachment - C21289.pdf 05/24/2018
002 - C21289 186 Plan Sheets Added 05/24/2018
004 - C22227 New Proposal Added 05/24/2018
004 - C22227 1 New Attachment - C22227.pdf 05/24/2018
004 - C22227 120 Plan Sheets Added 05/24/2018
20180607 001 - C22406 New Proposal Added 05/24/2018
001 - C22406 1 New Attachment - C22406.pdf 05/24/2018
001 - C22406 231 Plan Sheets Added 05/24/2018
20180510 001 - C20511 Bid Tabulations Uploaded 05/21/2018
001 - C20511 Plan Holder and Eligible Bidder Lists Uploaded 05/21/2018
20180517 001 - C22471 Apparent Bids Updated; Letting: 20180517, Contid: C22471, Bidders: 05/17/2018
20180503 004 - C21864 Bid Tabulations Uploaded 05/16/2018
004 - C21864 Plan Holder and Eligible Bidder Lists Uploaded 05/16/2018
20180419 007 - C21201 Bid Tabulations Uploaded 05/15/2018
007 - C21201 Plan Holder and Eligible Bidder Lists Uploaded 05/15/2018
20180503 003 - C20932 Bid Tabulations Uploaded 05/11/2018
003 - C20932 Plan Holder and Eligible Bidder Lists Uploaded 05/11/2018
20180614 New Letting Created 05/10/2018
001 - C19875R New Proposal Added 05/10/2018
001 - C19875R 1 New Attachment - C19875R.pdf 05/10/2018
001 - C19875R 599 Plan Sheets Added 05/10/2018
20180510 001 - C20511 Apparent Bids Updated; Letting: 20180510, Contid: C20511, Bidders: 637A, 884A, 032A, 232A 05/10/2018
20180531 001 - C22237 Attachment Deleted - 22237rv1.doc 05/10/2018
001 - C22237 1 New Attachment - 22237rv1.pdf 05/10/2018
001 - C22237 3 Plan Sheets Added 05/10/2018
001 - C22237 Attachment Deleted - C22237.pdf 05/10/2018
001 - C22237 1 New Attachment - C22237.pdf 05/10/2018
20180503 002 - C22457 Bid Tabulations Uploaded 05/09/2018
002 - C22457 Plan Holder and Eligible Bidder Lists Uploaded 05/09/2018
001 - C20511 Proposal Deleted 05/03/2018
003 - C20932 Apparent Bids Updated; Letting: 20180503, Contid: C20932, Bidders: 255D, 870A, 055A, 695A, 065A, 503F 05/03/2018
20180412 001 - C21450 Bid Tabulations Uploaded 05/03/2018
001 - C21450 Plan Holder and Eligible Bidder Lists Uploaded 05/03/2018
20180503 001 - C21506-COMBO New Proposal Added 05/03/2018
20180221 001 - C21506-COMBO Proposal Withdrawn 05/03/2018
20180503 004 - C21864 Apparent Bids Updated; Letting: 20180503, Contid: C21864, Bidders: 503F, 695A, 005A 05/03/2018
20180531 001 - C22237 1 New Attachment - 22237rv1.doc 05/03/2018
001 - C22237 3 Plan Sheets Added 05/03/2018
20180503 002 - C22457 Apparent Bids Updated; Letting: 20180503, Contid: C22457, Bidders: 1587, 607A, 1701, 1531A 05/03/2018
20180510 001 - C20511 14 Plan Sheets Added 05/02/2018
20180419 002 - C21571 Bid Tabulations Uploaded 05/02/2018
002 - C21571 Plan Holder and Eligible Bidder Lists Uploaded 05/02/2018
20180328 001 - C22348 Bid Tabulations Uploaded 05/02/2018
001 - C22348 Plan Holder and Eligible Bidder Lists Uploaded 05/02/2018
(47 Activities) More... Searching...