Scheduled Bid Openings

Design-Bid-Build Construction Project Advertisements

*One new project advertised on March 23, 2023

CDOT posts new advertisements on a bi-weekly schedule. Our next advertisement date is April 6, 2023. A schedule of future planned advertisement dates is available by clicking on this link - Bid Advertisement Calendar.

Electronic plans and specifications are available to contractors at B2G. Please be sure to do an account lookup if you are new to the system as many vendors have been entered by CDOT into the system. This will allow you to reset the password if the proper contacts were entered. Upon registration, you can find the plans and specifications or the plan holders list for each project under the "View" menu by selecting "My Bid Solicitations". 

Prime contractors are directed to our Rules Governing Construction Bidding for CDOT Projects which details the requirements of Prequalification in Section 2. 

All Design-Bid-Build proposals are processed electronically via Bid Express. Primes must obtain a Digital ID for an agent identified in your prequalification registration. 

EBSx software is available here: AASHTOWare Project Bids (https://bids.cloverleaf.net/) and please remember to hit enter after creating your profile.  For any technical difficulties with Project Bids or the Bid Express website, contact customer service at 888-352-2439 or at [email protected]

Notice to all contractors bidding CDOT projects:  The Colorado Department of Transportation, 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 Regulations, hereby notifies all bidders that it will affirmatively ensure that any contract entered into pursuant to this advertisement, 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 construction projects.  We look forward to working with you.

The Anticipated Projects (GoSheet) to be advertised during the next 90 days can be accessed by clicking on this link:  GoSheet Anticipated Project.

Project Number

Project Description

Bid Proposal File

Revisions Document

Related Documents

March 30

STA 257A-008 (23423)

STA 257A-008 (23423) - This project is located in Region 4 in Weld County. Project work consists of 4.7 miles of asphalt resurfacing with various treatments on CO 257 from approximately MP 5.6 to MP 10.4. In addition, Class 2 & 3 bridge rehabilitation work will be completed at MP 7.6 on structure C-17-CZ. Please contact Dan Mattson at 970-218-2357 for project related questions.

Note: A mandatory Pre-Bid meeting is scheduled to be held at 10:00AM on March 15, 2023, at CDOT Region 4 Headquarters, 10601 W. 10th Street, Greeley, CO 80634. Bids will be accepted only from pre-qualified bidders who attend the mandatory Pre-bid Conference.

30Mar001.EBSx

Questions and Answers

Pre-Bid Meeting Attendees

Pavement Core

NHPP R100-376 (24881) 

This project is located in Region 1 in Jefferson County. Project work consists of retaining wall reconstruction and guardrail improvements at various locations. Please contact Nyssa Beach at 303-746-8639 for project related questions.

Note: This project has a mandatory pre-bid meeting on Tuesday, March 14, 2023, from 1:00pm to 2:00pm being held virtually with how to attend below:

Google Meet joining info:

Video call link: https://meet.google.com/pyo-aivw-chh

Or dial: (US) +1 518-655-1020 PIN: 688 432 493#

Bids will be accepted only from pre-qualified bidders who attend the mandatory Pre-bid Conference.

30Mar002.EBSx

Revision 1

Question and Answers

Pre-Bid Meeting Attendees

NHPP 0705-089 (24905)

NHPP 0705-089 (24905) - This project is located in Region 4 in Kit Carson County. Project work consists of resurfacing the westbound lanes of I-70 with a hot mix asphalt overlay, and other improvements from Burlington to the Kansas State line. Please contact Rhianna Poss at 719-775-8002 for project related questions.

30Mar003.EBSx

30Mar003.001x

Revision 1

Revision 2

Questions and Answers

April 6

NHPP 0702-417 (24567) 

NHPP 0702-417 (24567) - This project is located in Region 3 in Eagle and Summit Counties.  Project work consists of construction of a third lane along I-70 MP 179-192. Please contact John Kronholm at 970-328-9963 for project related questions.

Note: A Mandatory Pre-bid Conference will be held on March 22, 2023, at 1:00PM at the CDOT Mountain Residency Office located at 1198 S. Adams, Silverthorne, CO 80498. A virtual option through Google Meet will also be available due to inclement weather, link to the Google Meet is: meet.google.com/iiw-mhfo-zme (copy and paste into your browser). Bids will be accepted only from pre-qualified bidders who attend the Mandatory Pre-bid Conference by either in-person or virtually.

06Apr001.EBSx

Revision 1

Pre-Bid Meeting Attendees

Pre-Bid Meeting Presentation

April 13

*STA 2854-155 (25354) 

This project is located in Region 2 in Park County. Project work consists of reconstruction of median, installations of guardrails and other safety improvements along US285. Please contact Matt Jagow at 719-546-5751 for project related questions.

13Apr001.EBSx

SHE 0702-405 (24015) 

This project is located in Region 3 in Eagle County. Project work consists of installation of 18 variable speed limit signs, one roadway weather information system, 7 MVRDs, bored and trenched electrical conduit for fiber and electric, 85 pullboxes, wiring, fiber, guardrail and end anchors, and erosion control along I-70 from MP 169 to MP 173.  Please contact Mark Bunnell at 970-683-6276 for project related questions.

EBSx pending

Revision 1

Revision 2 Pending

Questions and Answers