Boise_Parks_Multi-Use_Path-_Concrete.pdf

This is a solicitation document for the Ada County Highway District (ACHD) related to the reconstruction of Eckert Road Bridges 2147 and 2148 spanning the Boise River and Ridenbaugh Canal in Boise, Idaho. The project scope encompasses demolition of existing bridge structures and construction of new prestressed concrete girder bridges (364 feet over the Boise River with three spans; 91 feet over Ridenbaugh Canal with one span), a single-lane roundabout at the Eckert Road and Boise Avenue intersection, reconstruction of roadway approaches, a multi-use pathway along the west side of Eckert Road, a Greenbelt underpass beneath Eckert Road, modifications to Barber Park driveway access, roadway excavation and embankment, pavement construction, curb and gutter work, sidewalks, retaining walls, drainage improvements, irrigation and utility adjustments, traffic control, permanent signing and pavement markings, illumination, landscaping, and erosion and sediment control measures. Major bid quantities include 718 feet of prestressed WF girders for Bridge 2148 and 2,148 feet of 74-inch-depth prestressed WF girders for Bridge 2147. Sealed bids are due August 19, 2026, at 3:00 p.m. through the ACHD eProcurement Portal, with questions due August 14, 2026, at 12:00 p.m. The Notice to Proceed is anticipated October 1, 2026, with substantial completion required by June 21, 2028 (approximately 20 months). Contract award is anticipated within 60 calendar days of bid opening.

The estimated contract value exceeds $25 million in total bonding requirements. Bidders must be licensed Idaho Public Works Contractors (Type 1, 2, or 4) and submit unit-price proposals on substantially all work items. Bid security of 10 percent of total proposal amount is required as certified check, cashier's check, or bid bond. The successful bidder must furnish Performance and Labor/Material Payment Bonds equal to the full contract price, provide commercial general liability insurance of $2 million, automobile liability of $2 million, and statutory workers' compensation with employer's liability of $1 million. Contractors domiciled outside Idaho must bid at a percentage less than the lowest Idaho-domiciled bid per Idaho Code sections 67-2348 and 67-2349. Liquidated damages of $12,000 per calendar day apply for failure to meet completion deadlines, with no extensions for weather, utility delays, material procurement, labor shortages, or contractor performance. All work must comply with AASHTO LRFD Bridge Design Specifications (10th Edition) and ITD standards. Environmental authorizations include a U.S. Army Corps of Engineers Nationwide Permit 14, Idaho Department of Environmental Quality 401 Water Quality Certification, and Idaho Department of Water Resources Stream Channel Alteration Permit. Nine utility companies require coordination for relocations and adjustments. No federal aid funds finance the project; all applicable state and local sales and use taxes must be included in bid prices.