Business Center

Scheduled Bid Openings

Design-Bid-Build Construction Project Advertisements

*Six new project advertised April 8, 2021

CDOT posts new advertisements on a bi-weekly schedule. Our next advertisement date is April 22, 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 (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]

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.

April 15, 2021

NHPP 006A-063 (21795) ~ The project is located in Region 1 in Jefferson county.  This project proposes to add 4' shoulders (widening) to have a consistent 4' wide shoulder throughout the project limits. This project will also mill/overlay 2.5" of the existing roadway. Safety improvements include: removal/install of existing Type 3 Guardrail (MGS), new Type 3 Guardrail (MGS), rumble strips, and signing/striping. Other aspects include culvert improvements, rock excavation, CBC headwall/wingwall improvements. Please contact Neil Ogden at 720-497-6928 with questions.

 A mandatory pre bid conference will be held on 4/5/2021 beginning at 10:00 a.m. via Google Meet at the following web address: meet.google.com/rpj-orhh-guw or by phone at: +1 929-277-6733? PIN: ?540 322 062?#. Bids will be accepted only from pre-qualified bidders who attend the mandatory pre-bid conference.

15Apr001.EBSx

Q&A

Pre-Bid Attendees

Pre-Bid Presentation Slides

NHPP 3852-019 (21854) ~ The project is locating in Region 4 in Yuma county.  This work will consist of 6.29 mile long 2 inch mill with a 4 inch HMA overlay. This section of highway will also include the addition of 6 feet of HMA paved shoulders with embankment for slope flattening. The shoulders will be excavated 1-1/2 feet and filled with 6 inches of R 40 embankment, 6 inches of ABC Class 6 and 6 inches of HMA. There will be new signage in this area along with construction signing and traffic control. Finally permanent pavement markings will be applied. Please contact Jeff Dollerschell at 970-521-9714 with questions.

15Apr002.EBSx

Revision 1

Q&A

C5502-106 (22810) ~This project is located in Region 5 in La Plata county.  This project is located on US 550 in Durango. The work involves the replacement of signals at US 550 & 9th Street and US 550 & 12thStreet, along with new curb ramps, and the installation of concrete medians on US 550 between 8th Street and 14th Street.  Please contact Jennifer Allison at 970-385-3637 with questions.

15Apr003.EBSx

Q&A

NHPP 0242-094 (24053) ~ The project is located in Region 5 in Chaffee county.  Project consists of wildlife fencing allon US 24.  Please contact David Valentinelli at 970-385-1440 with questions

15Apr005.EBSx

Q&A

SHE 2873-202 (23355) ~ The project is located in Region 1 in Adams county.  The project will update traffic signals, improve pedestrian routes and curb ramps, and replace signal poles at US-36 ramps.  Please contact Adam Parks at 303-398-6732 with questions

15Apr006.EBSx

SHE 030A-037 (22949) ~ The project is located in Region 1 in Denver county.  The project consists of two signal replacements.  Please contact Tony Brindisi at 303-512-4331 with questions

15Apr.007.EBSx

STM M455-134 (23653) ~ The project is located in Region 4 in Larimer county.  The project consists of ADA ramps improvements in various locations.  Pleases contact Chris Boespflug 720-775-8482 with questions. 

15Apr008.EBSx

Q&A

April 22, 2021

SHE 070A-036 (23425) ~ The project is located in Region 3 in several counties.  This project proposes to install enhanced wrong way traffic control with signs and pavement markings as well as wrong way detection systems on 87 off ramps on I70 within Region 3.  Please contact Mark Bunnell 970-683-6276 with questions. 

DEFERRED TO MAY 6, 2021

STM 0212-011 (23522) ~ The project is located in Region 2 in El Paso county.  The project includes construct new diverging diamond interchange at the existing at-grade intersection. Please contact John Hall at 719-227-3205 with questions. 

22Apr002.EBSx

22Apr002.001x

Revision 1

April 29, 2021

*C0853-120 (23186) ~ The project is located in Region 4 in Weld county.  This project involves constructing a new connector road between US-85 (Bypass) and O Street in Greeley. Salient features include virgin concrete roadway, water quality pond and drainage features, and HMA auxiliary lanes on US-85.  Please contact Louis Keen at 970-350-2228 with questions. 

29Apr001.EBSx

*NHPP 025A-034 (20895) ~The project is located in Region 1 in several counties.  This project consists of bridge deck rehab work, fiber wrap, and placing steel stay-in-place formwork. The work will take place on four structures at three separate locations in Region 1. Railroad coordination is required at two locations. Please contact Thomas Magenis 303-398-6747 with questions. 

29Apr002.EBSx

*NHPP R500-168 (20694) ~ The project is located in Region 5 in Ouray county.  Removal of 139 LF of existing cross culvert. Replace with 72 LF of 8x6 CBC and 68 LF of 6x6 CBC. Both CBC will have CIP headwalls and wingwalls, and inlet and outlet protection. This project also includes streambank stabilization on ~680 LF of Red Mountain Creek and extending the EOP to include the existing parking/pullout area on the west side of the highway.  Please contact Jason Fullerton 970-385-8370 with questions.

This project has an optional pre bid conference on 4/20/21 beginning at 1:00 pm, via Google Meet. Notification of planned attendance is requested by April 19th.

29Apr003.EBSx

*NHPP 0342-063 (23399) ~ The project is located in Region 4 in Weld county.  This project consists of signalization of US 34 and SH 257 ramps. Please contact Jonathan Woodworth 970-350-2166 with questions.

29Apr004.EBSx

Revision 1

May 6, 2021

*IM 025A-040 (21324) ~ The project is located in Region 2 in Las Animas county.  The project consist of a roundabout installation at Exit 11 interchange.  Please contact Joseph Deheart 719-546-5439 with questions

06May001.EBSx

*BR1602-139 (19263) ~ The project is located in Region 5 in Archuleta county.  The work involves replacing twin 84" Culverts with a triple cell 14'x10'x92' Pre-Cast Concrete Box Culverts, inlet drop structures, establishing new downstream channel, Guardrail rail, Bridge rail, erosion control, traffic control, sidewalks, and fencing. Please contact Arthur Miller 719-587-6501 with questions.

A mandatory pre bid conference will be held on April 23, 2021 from 1:00p.m. to 3:00p.m. at the US 160 & South 6th Street Intersection in Pagosa Springs. Proper PPE and social distancing shall be required. Bids will be accepted only from pre-qualified bidders who attend the mandatory pre-bid conference.

06May002.EBSx

Q&A

SHE 070A-036 (23425) ~ The project is located in Region 3 in several counties.  This project proposes to install enhanced wrong way traffic control with signs and pavement markings as well as wrong way detection systems on 87 off ramps on I70 within Region 3.  Please contact Mark Bunnell 970-683-6276 with questions. 

Note:  See Revision 2 for the second Mandatory Pre-Bid Conference schedule details.  The project specific prequalification notice requirement has been removed from the bid solicitation requirements for this project. 

06May003.EBSx

Revision 1

Revision 2

Q&A

Pre-Bid Attendees


Colorado: The Official State Web Portal