Dubuque County Conservation - Heritage Trail Bridge #30 Replacement Project - RT-C031(132)--9H-31 (2026)
Dubuque CountyCounty · Dubuque, IA- Due
- Aug 11, 2026
- Deadline passed
- Posted
- Jul 20, 2026
- Primary contact
- Brian Preston
- (563) 556-6745
The 30-second brief
Dubuque County Conservation requests sealed bids for the RT-C031(132)--9H-31 Heritage Trail Bridge #30 Replacement Project located in Peosta, IA. The work entails replacing an existing 29.3'x13.8' timber stringer bridge with timber abutments and piles with a 35'x12' 10 deg. skew concrete slab bridge on concrete abutments on steel piling, including 62 feet of granular trail construction. Bids are due by August 11, 2026, at 1:00 pm local time at the Dubuque County Conservation Board, 13606 Swiss Valley Road, Peosta, IA 52068, with the board considering bids at 4:00 pm on August 27, 2026. Project funding includes State Recreational Trails (SRT) funds with requirements for Targeted Small Business (TSB) enterprise outreach and a 10% bid security.
Clearing and grubbing, Class 10 roadway and borrow excavation, Class 13 channel excavation, Topsoil strip, Salvage and spread, Earth shoulder finishing, Granular surfacing on road (Class A crushed stone), Removal of existing bridge, Class 20 excavation, Structural concrete (bridge), Epoxy coated reinforcing steel, Steel piles HP 10x57, Prebored holes, Engineering fabric, Concrete grout for revetment or gabion, Class E revetment, Safety closure, Mobilization, Limestone surfacing, Coring rock socket, Timber railing with steel posts, Silt fence, Removal of silt fence or silt fence for ditch checks, Perimeter and slope sediment control device (9 inch diameter), And removal of perimeter and slope sediment control device.
Lowest responsive, responsible bidder
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Summary
Dubuque County Conservation requests sealed bids for the RT-C031(132)--9H-31 Heritage Trail Bridge #30 Replacement Project located in Peosta, IA. The work entails replacing an existing 29.3'x13.8' timber stringer bridge with timber abutments and piles with a 35'x12' 10 deg. skew concrete slab bridge on concrete abutments on steel piling, including 62 feet of granular trail construction.
Bids are due by August 11, 2026, at 1:00 pm local time at the Dubuque County Conservation Board, 13606 Swiss Valley Road, Peosta, IA 52068, with the board considering bids at 4:00 pm on August 27, 2026. Project funding includes State Recreational Trails (SRT) funds with requirements for Targeted Small Business (TSB) enterprise outreach and a 10% bid security.
EVALUATION CRITERIA
Lowest responsive, responsible bidder
REQUIRED DELIVERABLES
25- Clearing and grubbing
- Class 10 roadway and borrow excavation
- Class 13 channel excavation
- Topsoil strip
- Salvage and spread
- Earth shoulder finishing
- Granular surfacing on road (Class A crushed stone)
- Removal of existing bridge
- Class 20 excavation
- Structural concrete (bridge)
- Epoxy coated reinforcing steel
- Steel piles HP 10x57
- Prebored holes
- Engineering fabric
- Concrete grout for revetment or gabion
- Class E revetment
- Safety closure
- Mobilization
- Limestone surfacing
- Coring rock socket
- Timber railing with steel posts
- Silt fence
- Removal of silt fence or silt fence for ditch checks
- Perimeter and slope sediment control device (9 inch diameter)
- Removal of perimeter and slope sediment control device
REQUIRED ATTACHMENTS
5- Bid bond
- Bidder Status Form
- Contractor Information for Sales Tax Exemption
- Targeted Small Business (TSB) Pre-Bid Contact Information
- Signed addenda
- Submit to
- Dubuque County Conservation Board, 13606 Swiss Valley Road, Peosta, IA 52068
- Scope location
- Peosta, IA
Questions about this BID
How do I respond to this Bid from Dubuque County?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is August 11, 2026. The solicitation specifies required deliverables that must be addressed in your response. Be sure to include all required attachments as outlined in the solicitation. Submissions should be delivered to: Dubuque County Conservation Board, 13606 Swiss Valley Road, Peosta, IA 52068. For questions, contact Brian Preston.
Can small businesses or minority-owned firms bid on this Bid?
Most government agencies, including Dubuque County in IA, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Check the full solicitation for any small business participation goals.
What happens after the Bid submission deadline?
After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This typically includes a compliance check, technical evaluation, cost analysis, and may involve oral presentations with shortlisted vendors.
Can I ask questions about this solicitation before submitting?
Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact is Brian Preston at (563) 556-6745. Questions and answers are typically shared with all prospective bidders.
What are the key deliverables?
The solicitation specifies the following deliverables: Clearing and grubbing, Class 10 roadway and borrow excavation, Class 13 channel excavation, Topsoil strip, Salvage and spread, Earth shoulder finishing, Granular surfacing on road (Class A crushed stone), Removal of existing bridge, Class 20 excavation, Structural concrete (bridge), Epoxy coated rei. Proposals should clearly address how each deliverable will be met.
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What are the evaluation criteria for this solicitation?
This solicitation includes specific evaluation criteria that will be used to score proposals. The criteria include: "Lowest responsive, responsible bidder" Vendors should carefully align their proposals with each criterion to maximize their score.
Where can I find more RFPs from Dubuque County?
All active and historical solicitations from Dubuque County are tracked and searchable. As a county agency, Dubuque County regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.
What documents are required to bid on this Bid?
Requirements vary by solicitation, but common documents include a technical proposal, cost/price proposal, proof of insurance, relevant certifications, past performance references, and any forms specified in the solicitation. This solicitation specifically requires the following attachments: Bid bond, Bidder Status Form, Contractor Information for Sales Tax Exemption, Targeted Small Business (TSB) Pre-Bid Contact Information, signed addenda. Review the full document from Dubuque County for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Peosta, IA. Review the full solicitation for detailed scope requirements.