8th Avenue Bridge Replacement and Floodwalls at Cedar River

The City of Cedar Rapids is soliciting bids for a comprehensive public‑improvement project that replaces the existing 8th Avenue bridge over the Cedar River and constructs an integrated flood‑control system. The scope includes demolition of the existing structure, design‑build of a new cable‑stayed bridge, construction of floodwalls, approach roadways, traffic improvements, sidewalks, trail reconstruction, utility relocation, and lighting. The Engineer’s probable cost is $123 million and the project must be completed within 1,250 calendar days after the notice to proceed (anticipated Jan/Feb 2027). Bidders must submit a bid bond, complete the required forms, and adhere to extensive Iowa DOT and AASHTO specifications for MSE walls, retaining structures, and bridge components. A pre‑bid conference is scheduled for 09/14/2026 (in‑person and via Microsoft Teams). • New cable‑stayed river bridge (full bridge superstructure, stay‑cable system, deck panels, railings). • Integral flood‑control walls and floodwall structures. • Demolition of existing bridge and associated structures. • Approach roadway reconstruction, traffic signal upgrades, sidewalks, and shared‑use trail. • Utility relocation, lighting, and storm‑water infrastructure. • Extensive geotechnical, structural, and environmental testing (load tests, vibration/noise monitoring, slope stability). • Mandatory compliance with Iowa DOT specifications, AASHTO LRFD, and city equal‑employment‑opportunity policies.