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Scheduled Bid Openings

Design-Bid-Build Construction Project Advertisements

*Two new project advertised May 6, 2021

CDOT posts new advertisements on a bi-weekly schedule. Our next advertisement date is May 20, 2021. A schedule of future planned advertisement dates is available by clicking on this link - Bid Advertisement Calendar.

Electronic plans and specifications are available to registered 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 ( 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]

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.

May 27, 2021

*C0761-237 (23495) ~ The project is located in Region 4 in Morgan & Weld counties.  This is on I-76 MP 55.1-61.9, WB only and includes diamond grinding with sawing & sealing concrete pavement joints, median detour pavement, concrete panel replacement with HMA bond breaker and guardrail work.  Please contact Daniel Mattson with questions at 970-350-2240.


*IM R200-268 (23903) ~ The project is located in Region 2 in El Paso & Park counties.  SH 9 - MP 27.77: Slip line and Extend Culvert, Place Grouted Riprap and Riprap at Outlet, Side Slope at Outlet will be graded to 4:1 as noted in Plan Set, Temporary Signal will be used for Traffic Control at this location.

SH 115 - MP 42.41: Spray line Culvert, Excavate Material, Grade Ditch Slopes, and line ditch with Concrete at Outlet, Place Riprap and construct small maintenance access road at Outlet.  Please contact Scott Schnake with questions at 719-527-5807. 


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