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Scheduled Bid Openings

Design-Bid-Build Construction Project Advertisements

*Ten new project advertised January 14,2021

CDOT posts new advertisements on a bi-weekly schedule. Our next advertisement date is January 28, 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.

January 28, 2021

FSA R100-304 (22368) ~ Work consists of traffic signal replacements, median and intersection improvements including curb ramp upgrades at various locations along SH95/Sheridan Blvd. and along SH2/Colorado Blvd. in the counties of Arapahoe, Denver, and Jefferson. For any questions regarding the projects requirements, please contact Jana Spiker at 720-497-6959


Revision 1

Revision 2


February 4, 2021

*STR 141A-050 (23506) ~This project is located in Region 5 on SH 141, from MP 60.63 just passing Crystal Cir. at north end of the Naturita town limits in Montrose County to MP 95.75 at the Montrose - Mesa County Line. The scope includes: top mat/bottom mat asphalt paving, milling, shouldering, upgrading guardrails, replacing bridge rail/culvert/traffic signs, culverts repair, placing centerline rumble strips, and striping.

The project has an optional on-site job showing, at the "Welcome to Naturita" sign on SH 141 north of the town of Naturita near MP 60.75, on January 21st at 10:00 am. This job showing will be the only CDOT-accompanied site visit. Please contact Jason Voorhees at (970) 799-4600 with any questions and to request your attendance.


*STR 0241-066 (23067) ~ This project is located in Region 3 in Chaffee county on US highway 24A from MP 176.0 to 193.8.  The project is an overlay project of 1.5” overlay, guardrail replacement, striping, signing, and traffic control.  Please contact Karen Berdoulay at 970-328-9934 with any questions.


*NHPP 0853-114 (22845) ~ This project is located in Region 4 in Weld county and will include resurfacing with multiple treatments (RCI, BRST), a siphon replacement, replacement of bridge rail and guard rail, as well as replacement of a couple loop wires. The project takes place on US 85 Northbound and Southbound between milepost 246.00 and milepost 250.50. Please contact Louis Keen at 970-350-2228 with questions. 



Pre bid Attendance List

*NHPP 0831-125 (23485) ~ This project is located in Region 1 in Arapahoe county.  This project involves the replacement of damaged concrete pavement panels, curb ramps, joint stitching, signing, and erosion control.  Please contact David Herzog at 303-512-5402 with questions.


Revision 1

*ITS ITSB-001 (23321R) ~ The project is located in Region 2 in Huerfano and Las Animas counties. The project will be installing a fiber optic backbone cable on I-25 from Walsenburg to New Mexico (MM 50 MM 0), including boring, trenching, fiber installation, pull box and manhole installation, and an ITS node building in Trinidad. Please contact Jill Scott at 303-512-5805 with questions.

*This project has a mandatory pre-bid meeting on Tuesday January 26, beginning at 10:00 am via Google Hangouts. Meeting Link:


*FBR 2854-143 (22865) ~ This project is located in Region 2 in Park county.  On US 285 at MP 172.36: Replace Structure H-13-G with H-13-H over the South Fork of the Platte River. Work will require a 3 month full closure of US 285 with an offsite detour utilizing SH 9 and US 24. The work will include rebuilding the approaches to the bridge and replacing the guardrail. It will also include wetland mitigation and a stream diversion utilized to complete the bridge work. Please contact Scott Schnake at 719-227-3244 with questions.


Revision 1

*NHPP 0402-099 (23585) ~ This project is located in Region 3 in Routt county, along US 40, within MP 132.00 to MP 147.50.  The project includes chip seal and pavement markings, and traffic control.  Please contact Justin Kuhn at 970-826-5189 with questions


*STA 0712-016 (21861) ~ This project is located in Region 4 on SH-71D in Morgan County and Washington County from Mile Post 154.54 to 174.357 in both directions. The work consists of applying Chip seal and Overlay to the full width of the existing surface which includes hot mix asphalt, cover coat material (Type1) (Special), emulsified asphalt, striping, and temporary traffic control. Please contact Daniel Mattson at 970-350-2240 with questions.




*STR R200-263 (23445) ~ This project is located in Region 2 in Park county.  This project will be re-configuring striping through Bailey, CO as well as removing the signal at the intersection of CR43a and US 285.  It will include restriping US 285 from the interchange at CR 73 to Rosalie Rd. Work will include removal of pavement marking, installation of pavement marking, installation of median barrier, replacement of signage, traffic control, removal of signal equipment, and other items as indicated in the plans. Please contact Jason Nelson 719-546-5734 with questions.


February 11, 2021

*C 142A-004 (23435-Combo) ~ This project is located in Region 5 in Conejos County. The work consists of construction of ADA curb ramps and reconstruction of sidewalk, and curb and gutter at various locations along SH 142 in Manassa. The project engineer is Arthur Miller 719-587-6501.


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