03-0J6304 Bridge Scour Mitigation

California Department of Transportation (Caltrans) is requesting bids on bridge scour mitigation construction at multiple locations on state highways in Butte, Colusa, and Sutter Counties under Notice to Bidders 03-0J6304, with bids due October 20, 2026 at 2:00 p.m. via Bid Express. The contract carries a 3% Disadvantaged Business Enterprise goal and a 5% Small Business Enterprise goal, with SBE participation preferences allowing up to a 5% bid reduction or $50,000, whichever is less.

Work spans Routes 5, 20, and 70 at various post miles and elevations and includes clearing and grubbing, roadway and structure excavation, rock slope protection installation, temporary creek diversion systems, structural steel work, traffic control systems, water pollution control programs, water quality monitoring, and environmental compliance activities. The project is located in a freeze-thaw area. Bidders must supply contractor-supplied biologist services and install temporary reinforced silt fence. Completion is required within 50 to 70 working days. A Class A or Class C-51 contractor license is required.

The estimated project cost is $1.43 million. Bidders must submit bid security equal to at least 10% of their bid amount. Prevailing wage requirements under California Department of Industrial Relations standards apply. Contractors must comply with asbestos and lead compliance plans, water quality monitoring, biological resource management, and fire prevention protocols. The contract requires prompt payment to subcontractors within 7 days of progress payments and mandatory project partnering facilitation. Permits and authorizations from the U.S. Army Corps of Engineers, U.S. Fish and Wildlife Service, California Department of Fish and Wildlife, and Regional Water Quality Control Board are required.