Project Information

Bid Title

Precast Concrete Box Culvert for Baseline Road at Dry Creek

Issuing Agency

Boulder County

Location

Colorado

Published Date

Dec 15, 2025

Closing Date

Jan 15, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Inquiries

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Bid Documents

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Project Description

Precast Concrete Box Culvert for Baseline Road at Dry Creek

Due Date: 01/15/2026 2:00 pm

Bidding Categories: Public Works

Other Comments:

Boulder County Public Works is soliciting bids from qualified and experienced concrete product producer’s for the manufacturing and delivery of an 18-foot-wide by 10.5-foot high (inner dimension) precast reinforced concrete box culvert including four precast skewed end sections. Two culverts (each 18-foot-wide by 10.5-foot high by 46.5-feet long) will be installed adjacent to each other to create a double box culvert.

The precast concrete box culvert is to be delivered near 6847 Baseline Road in unincorporated Boulder County, within the Baseline Road right-of-way, and within a controlled road closure with delivery truck access to the project site.

BID-226-25 Submittal Instructions

Attachment Preview

Boulder County Procurement

1325 Pearl Street

Boulder, CO 80302

SUBMISSION INSTRUCTIONS

Reference Number: BID-226-25

Project Name:

Precast Concrete Box Culvert for Baseline Road at Dry Creek

Background:

Boulder County Public Works is soliciting bids from qualified and experienced concrete product

producer’s for the manufacturing and delivery of an 18-foot-wide by 10.5-foot high (inner

dimension) precast reinforced concrete box culvert including four precast skewed end sections.

Two culverts (each 18-foot-wide by 10.5-foot high by 46.5-feet long) will be installed adjacent to

each other to create a double box culvert.

The precast concrete box culvert is to be delivered near 6847 Baseline Road in unincorporated

Boulder County, within the Baseline Road right-of-way, and within a controlled road closure with

delivery truck access to the project site.

Instructions:

Boulder County uses a Boulder County Euna (formerly Bonfire) portal for accepting and

evaluating proposals digitally:

● To post the Proposal

● To receive any questions or inquiries

● To issue any associated addenda

● To post award notices

Proposals must be submitted electronically on or before the Close Date at Boulder County Euna

(formerly Bonfire) portal.

Important: Submissions will not be accepted by email, fax or hand-delivery; unless

otherwise noted.

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Documents should not be embedded within uploaded files, as the embedded files will not be

accessible or evaluated.

Contact:

To contact Boulder County Purchasing or ask questions in relation to this proposal, respondents

must register on Boulder County Euna (formerly Bonfire) portal and initiate the communication

electronically through the Vendor Discussions or the Ask a Question feature.

All questions must be received on or before the Deadline for Submission of Clarifications, as

specified in the Schedule of Events. Boulder County will not accept any respondent’s

communications by any other means, except as specifically stated in this proposal.

Addendum:

At any time prior to the Close Date, Boulder County may alter, clarify, amend, delete or add to, in

whole or in part, any terms or provisions of this proposal.

In order to afford the Bidders a reasonable time for taking into account a material amendment

(the materiality of which Boulder County in its own discretion may determine) or for any other

reason, Boulder County may, at its own discretion, extend the Close Date.

For the most up-to-date project information refer to our Euna (formerly Bonfire) portal.

All vendor submissions may be amended, but only before the Close Date on Boulder County Euna

(formerly Bonfire) portal.

Need Help:

To assist with registration and submission of responses, learn how to get started with Euna

(formerly Bonfire), watch this training video. For questions or support when using the

platform, access the Euna (formerly Bonfire) online knowledge base, search the FAQ or contact

the Euna (formerly Bonfire) support team at support@goBonfire.com.

Americans with Disabilities Act (ADA): Boulder County aims to ensure all digital content and

documents are accessible. While efforts have been made to maximize accessibility, some types of

content have inherent technical limitations. For alternate formats or accommodations, please

submit an ADA Web Accommodation Request Form or email ADA@bouldercounty.gov, or call 303-

441-1386. View the county’s accessibility statement.

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Commodity Codes

• NAICS 237310Highway, Street, and Bridge Construction
• NAICS 238110Poured Concrete Foundation and Structure Contractors

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