Ada County Highway District Opengov #286551

Bridge, Roundabout, and Roadway Construction at Eckert Road and Boise Avenue, Ada County, ID

Ada County Highway District (ACHD) is seeking bids for a comprehensive infrastructure project at Eckert Road and Boise Avenue in Boise, Idaho. - Project scope includes: - Demolition and removal of existing bridge structures over the Boise River and Ridenbaugh Canal - Construction of new bridges, a single-lane roundabout, roadway approaches, multi-use pathway, Greenbelt underpass, and modifications to Barber Park driveway access - Roadway excavation, embankment, pavement construction, curb, gutter, sidewalks, retaining walls, drainage improvements, irrigation and utility adjustments - Traffic control, permanent signing and pavement markings, illumination, landscaping, erosion and sediment control, and environmental protection - All work must comply with Idaho Standards for Public Works Construction - Bidders must hold valid Idaho public works contractor licenses - No specific OEMs or named vendors are mentioned in the solicitation - Notable requirements: - Liquidated damages for project delays - Multiple addenda issued - Electronic proposal submission via ACHD eProcurement portal - Key product line items: - Asbestos removal and disposal (part number 203-010A, quantity 50,000) - Removal of bridge (part number 203-020A, quantity 1) - Structure excavation (part number 210-005A, quantity 380) - Compacting backfill (part number 210-015A, quantity 235) - Granular subbase (part number 301-005A, quantity 428) - Concrete for structures (part number 502-140A, quantity 176) - Key service line items: - Survey monument preservation (part number 213-9019, quantity 10,000) - Selective removal of trees (part number 213-9021, quantity 41) - Removal of obstructions (part number 213-9022, quantity 1)

Description

This project involves the demolition of existing bridge structures and construction of new bridges over the Boise River and Ridenbaugh Canal. It includes building a single-lane roundabout at Eckert Road and Boise Avenue, roadway reconstruction, and additional improvements such as pathways, a Greenbelt underpass, and modifications to access points. All work must conform to Idaho Standards for Public Works Construction and specified plans and specifications. Bidders must hold valid Idaho public works contractor licenses and submit proposals electronically via the ACHD eProcurement portal. The project is scheduled for completion by June 21, 2028, with liquidated damages of $12,000 per day for delays.

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