I-80 Interchange - Northwest, Project C-77 (26-26)

This sealed‑bid public‑works solicitation seeks a qualified contractor to construct roadway improvements for the I‑80 Northwest Interchange (Project C‑77). The scope includes grading, surcharge, culvert installation, storm‑sewer systems, concrete pavement, utility coordination, and temporary traffic control across three segments: 192nd St. (Highway 370 to Schram Rd.), 192nd St. (Schram Rd. to the interchange), and Capehart Rd. (201st St. to the interchange). The contract is for a 365‑day performance period, with a Notice to Proceed anticipated by 28 Oct 2026 and substantial completion required by 1 Nov 2027. The County will retain 5 % of estimated amounts and will enforce a $2,000 per day liquidated‑damage penalty for late completion. The successful bidder must provide a 5 % bid bond, 100 % performance/payment bonds, and meet extensive insurance, residency, and E‑Verify requirements. Subcontracting requires prior written consent.