Welcome & General Information
Thank you for your interest in our highway and bridge construction projects. The Rules Governing Construction Bidding for CDOT Public Projects ('the Rules"), 2 CCR , amended July , govern all bids. If you have questions on bid rules or the project records, please contact RB Simmons at or Tracie Benton at
General contractors must be registered and prequalified with CDOT to participate in the bids, please see our prequalification application at http://contracts.codot.gov. Darrell Wells is available for any questions you may have regarding prequalification at
Our design-bid-build projects are procured with electronic bids exclusively on this website. To enter a proposal, you must obtain a Digital ID with Bid Express for an authorized agent identified on your CDOT prequalification application. To sign up for electronic bidding or if you have technical difficulties on the Bid Express web site or with the Project Bids software, please contact Bid Express Customer Support, BIDX () or email them at [email protected]
Plans and Specifications
We now have plans and specifications for all advertised projects at http://contracts.codot.gov. You must be registered on the system to see these documents. You will find them in the View menu of the Dashboard, under the "My Bid Solicitations" menu. While you view the plans and specs you can join the main Plan Holders List for CDOT.Bid Express, this site, also allows contractors to voluntarily join a Bid Express Plan Holders List.
Notice to E-Bidders
The software required to read the electronic bid files is available at https//bids.cloverleaf.net/. Please create a user profile and hit "enter" once you complete all of the fields.
CDOT wishes to notify all bidders that the Department will affirmatively ensure that for any contracts entered into pursuant to the advertisements we post, disadvantaged business enterprises will be afforded full and fair opportunity to submit bids in response to our invitations. No bidders will be discriminated against on the grounds of race, color, national origin in the consideration for award in accordance with the provisions of Title VI of the Civil Rights Act of (78 Stat. , 42 USC).
CDOT, in accordance with the provisions of Title VI of the Civil Rights Act of (78 Stat. , 42 U.S.C. § d to d-4) and the associated Regulations, hereby notifies all bidders that it will ensure that for any contract entered into pursuant to our advertisements, 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.
The work on our projects is vital to the health of Colorado's economy and the traveling public's quality of life. We look forward to working with you.
Scheduled Bid Openings
*NHPP (A)~This project is located in Region 3 in Garfield county. This project consists of widening from 26' to 40', new passing lanes, chain up area and minor horizontal/vertical adjustments. Please contact Andrew Knapp at with questions
*NHPP (B)~This project is located in Region 3 in Garfield county. This project consists of widening from 26' to 40', new passing lanes, chain up area and minor horizontal/vertical adjustments. Please contact Andrew Knapp at with questions
*NHPP (C)~This project is located in Region 3 in Garfield county. This project consists of widening from 26' to 40', new passing lanes, chain up area and minor horizontal/vertical adjustments. Please contact Andrew Knapp at with questions
*NHPP () ~ This project is located in Region 3 in Garfield county. This project consists of resurfacing from MP to The resurfacing includes 2” overlay and lower lifts of variable depth leveling asphalt, guardrail replacement and bridge rail. Please contact Andrew Knapp with questions at
*NHPP () ~ This project is located in Region 1 in Jefferson County and Clear Creek. Project work includes " SMA mill & fill on I between Floyd Hill and Chief Hosa, guardrail improvements, erosion control, and signing and striping. Please contact Ben Davis at with questions.
*MTCE (R) ~ This project is located in Region 3 in Delta county. This project will be a phased funded project as outlined in the Commencement and Completion of the Project Special Provisions. Work will include the installation of new conduit, wiring, pedestrian push buttons, vehicle detection, replace controller cabinets, and signal head back plates. Work will be at US 50 MM to at 3rd, 4th, 5th, and 6th streets. Contact David Oldham at with questions.
installed at the outlet side. The existing pipe at MP shall be plugged and a new pipe installed under SH Geosynthetic Cementitious Composite Mat (GCCM) shall be install above and below the new pipe to channelize flow. Please contact Peter Lombardi at with questions.
installation of a new signal, widening of the side roads, curb and gutter, ADA ramps, pavement markings, traffic control, and other items as shown in the plans and specs. Please contact Jason Nelson at with questions.
The Colorado Department of Transportation is in the process of reviewing a bid that would allow a private contractor to provide certain Interstate 25 improvements in exchange for future toll revenues.
Roadis USA Holding LLC submitted an unsolicited bid about three months ago to CDOT and its High Performance Transportation Enterprise division, which oversees Colorado toll roads and public-private transportation partnerships. The bid proposes a series of expansion and improvement projects along the high-growth stretch of Interstate 25 between the northern Denver suburbs and Fort Collins.
The move came after CDOT last year lifted a moratorium on the receipt of such proposals.
Staff with the department are mulling over a condensed version Roadis’ proposal and are weighing whether to request a much more detailed plan, CDOT project director Abra Geissler told BizWest on Monday during a tour of ongoing I improvements in Northern Colorado.
The department is still quite a bit removed from a decision whether to approve specific projects proposed by Roadis, she said.
Should CDOT choose to move ahead, the department would have to open those projects up to a competitive bidding process.
Roadis’ plans include adding:
- Auxiliary lanes and other safety and congestion enhancements in Segment 2 (from U.S. 36 to th Avenue).
- A new bridge and transit hub at 88th Ave.
- The extension of express lanes in Segments 3 (from E to Colo. 7) and 4 (Colo. 7 to Colo. 66).
- The extension of express lanes in Segment 5 (Colo. 66 to Colo. 56).
Roadis is no stranger to bidding on CDOT toll road management projects.
The company has offered E Public Highway Authority $ billion to lease the E roadway for 50 years and collect toll payments in exchange for managing and maintaining the road.
A volunteer group called E Citizen Review Committee studied Roadis’ proposal and determined in January that more consideration is needed prior to issuing a recommendation.
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Colorado Department Of Transportation Project Procurement Methods
Section 2 of the bill requires the Colorado department of transportation (CDOT) to solicit construction contracts for public projects by invitation for bids, also known as the design bid build method of procurement, unless CDOT determines, based on specific written findings that CDOT posts on its website prior to awarding a contract, that it is not feasible to do so and that soliciting the contract through an alternative procurement method authorized by law such as competitive sealed best value bidding, an integrated product delivery contract, a public-private initiative, or a design-build contract is likely to cause the project to be completed faster, at a lower cost, or to a higher standard of quality than if the project was solicited by an invitation for bids. Section 4 prohibits CDOT from refusing to prequalify a contractor to bid on CDOT projects or reducing the scope of prequalification granted based on the contractor's lack of prior opportunity to demonstrate performance on past department contracts if the bidder can demonstrate its experience, past performance, expertise, and financial capacity through its work on construction contracts in other states or for county, municipal, or other local governments in Colorado.Sections 3, 5, 6, 7, 9, 11, and 12 ensure that the requirements and prohibitions set forth in sections 2 and 4 apply to CDOT project procurement through the alternative methods of competitive sealed best value bidding, integrated product delivery contracts, public-private initiatives, and design-build contracts.Section 8 requires CDOT to disclose to the public its rationale for selecting a specific participating entity to which it has awarded an integrated product delivery contract. Section 10 requires CDOT to disclose to the public its rationale for entering into the public-private initiative agreement for a project in lieu of soliciting a contractor for the project by invitation for bids or for best value bids and its rationale for selecting each private or public entity that is a party to the agreement over any other unselected private or public entities that submitted comparable proposals.
(Note: This summary applies to this bill as introduced.)
Of bidding department colorado transportation
Highway & Bridge Construction Bidding
See our Bidding Rulesalong with the Chief Engineer's Delegation of Authority for the bid requirements for Highway & Bridge Construction projects.
Project Bids is the software used to facilitate the bidding process. This software allows bidders to receive proposal item schedules and submit bids in a secure, electronic environment. Project Bids also tracks Disadvantaged Business Enterprise (DBE) commitments, automates calculations and applies amendments. Download Project Bids.Installing this software will allow you to view a project's schedule which can be found on the Current and Future Bidding Opportunities page.
CDOT does not accept paper bids for Highway and Bridge Construction projects. All bid proposals for the construction projects must be submitted electronically via Bid Express. For help with Bid Express, please contact a customer service representative at , or at [emailprotected].
NEW: CDOT now offers electronic plans and specifications to registered contractors at B2G. Please be sure to do an account lookup if you are new to the system. Our plan holders list now resides on this site. Find the list by going to the "view" menu, "my bid solicitations" then by project. Contractors who want quotes from other contractors are advised to add your name to the plan holders list on this site. Remember to register to see this list and the plans/specs.
All contractors must be prequalified to participate in the bids in accordance with the Bidding Rules. Please register and complete our prequal application at this link: B2Gat least 17 calendar days before any bid opening for which you wish to submit a proposal. Should you be unable to do so 17 or more days prior to opening —please contact our prequalification administrator, Darrell Wells, at to verify if the application process can be expedited. If you are trying to get pre-qualified for professional and engineering services please go to ourSupplier Self Service (SuSS) Portal.
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