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Scheduled Bid Openings

Design-Bid-Build Construction Project Advertisements

*Seven new projects advertised February 14, 2019

CDOT posts new advertisements on a bi-weekly schedule. Our next advertisement date is February 28, 2019.
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.

March 7

*NHPP 1601-073 (20325) ~ This project consists of alternating passing lanes between MM 27.75 and MM 29.75 in Montezuma count north of Towaoc.  The work includes; realignment of CR A and CR B, closure of CR21, waterline installation, slip-lining existing wooden structure, guardrail and end section installation, fencing, seeding, and striping. 

*THIS PROJECT HAS A OPTIONAL ON-SITE JOB SHOWING 2/22/2019 AT 10:00 AM TO 12.:00 PM. ANY AND ALL PROSPECTIVEBIDDERS SHALL CONTACT THE RESIDENT ENGINEER TO ATTEND THE SHOWING.

07Mar001.EBSx

Q&A

*NHPP 050A-033 (21927) ~ This project is located in Delta county and consists of highway profile milling and variable depth asphalt leveling, as well as a 2” overlay of HMA from M.P. 62.481 to 68.487.  It also includes full depth asphalt reclamation (FDR) at four locations within this project limits. Guardrail replacement, drainage improvements, delineation, and striping. 

* A MANDATORY PRE-BID MEETING WILL BE HELD ON FRIDAY FEBRUARY 22, 2019 AT 9:00 A.M. AT THE MONTROSE CDOT RESIDENCY LOCATED AT 2424 NORTH TOWNSEND AVE. MONTROSE COLORADO 81401.

07Mar002.EBSx

Revision 1

*NHPP 0702-378 (21896) ~ I-70 beginning at MM 197.5, Officers Gulch, extending to MM 203.5, Frisco. Work will consist of mill and fill, full roadway and shoulder width in sections. Structure work including type 7 guardrail, type 10 bridge rail repair and replacement, approach slab and curb repair with minor concrete repair. Type 3 guardrail and end treatment. ADA ramps to be installed in two locations under overpass at Frisco Main Street Exit MM 201.

07Mar003.EBSx

*FBR 0253-247 (20999) ~ This project entails the demolition and replacement of structure B-16-EU with structure B-16-HC; a two span 210 foot bridge, 68 foot out to out width carrying Vine Drive (County Road 48) over I-25.  This project is located in Larimer County.

07Mar004.EBSx

*MP R200-253 (22536) ~ In central Colorado at various work locations consisting of highway pavement marking (stencil) installations on various roadway surfaces along Highway 50A in Fremont and Pueblo Counties, Highway 285D in Park County, and Highways 21B, 24G, 94, 115 in and around Colorado Springs in El Paso County.

07Mar005.EBSx

NHPP 006A-058 (20851) ~ This project is located on US 6 over Loveland Pass beginning approximately at MP 218.62 and extending for 11.18 miles north easterly.  Project included resurfacing, guardrail, and culvert work.  Project is located in Region 1 in Clear Creek and Summit counties.

EBSx - Pending

Revision 1 Pending

C R100-315 (22581) ~ This project is located in Region 1 at various locations for upgrading 118 ADA Curb Ramp at various locations. Work includes sidewalk, curb & gutter, pedestrian push buttons and other work typically required in ADA curb ramps replacements. This project is located in Adams, Arapahoe, Broomfield, Denver, and Jefferson counties.

A mandatory pre-bid conference was held on Thursday February 7, 2019 at 1PM. Attendance at that meeting is no longer considered to be mandatory in order for a Bid to be submitted and accepted.

Another, non-mandatory pre-bid conference will be held on February 26th, 2019 beginning at 9:00 AM at 4670 Holly Street, Denver, CO 80216.  Bids will be accepted only from certified ESB pre-qualified bidders.

Attendance at either of the above noted pre-bid conference is not considered to be mandatory.

Questions received from bidders along with CDOT responses will be posted on the CDOT web site listed below as they become available.

EBSx - Pending

Revision 1

SHE 2254-090 (22392R) ~ Traffic Signal improvements at Colfax & I-225 (both Ramp Terminals), Colfax & Chambers and I-70 & Tower (both Ramp Terminals), in the City of Aurora. Minor widening at the Colfax locations. ADA improvements, Signing and Striping at all locations. This project is located in Adams & Arapahoe counties. 

EBSx - Pending

Revision 1

Revision 2 Pending

Q&A

March 14

*STA 0131-070 (22044-ALT) ~ This is an alternate bid HMA/PCCP reconstruction and minor widening project located in the Rio Blanco and Garfield counties on SH 13 and CR 5.  Reconstruction and widening will begin at MP 16.06 and will end at MP 20.77 on SH13.  The project includes clearing and grubbing, earthwork, drainage, box culvert (Precast), paving, shouldering, fencing, signing, pavement markings, and traffic control. 

14Mar001.EBSx

Q&A

*NHPP 2254-089 (20887) ~ This project is located on I-225 from I-25 to Parker Road. It consists of a 2.5" mill/fill with SMA, concrete paving, curb and gutter, median cover material, concrete curb ramps, guardrail, bridge deck rehab, bridge joint sawing and sealing, signal replacement, overhead sign replacement, signing and striping.

14Mar002.EBSx

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Contact Us


  • Construction Prequalification
    Darrell Wells
    Contract Administrator
    [email protected]
    303-757-9215

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