Replace culverts and drainage inlets, and place erosion control.

This Caltrans project calls for the replacement of multiple culverts and drainage inlets along a corridor in Humboldt County, as well as the installation of erosion‑control measures to stabilize disturbed areas. The work is limited to the specified sites between mile‑post references on Routes 299 and 169 and must be completed within a tight 30‑working‑day construction schedule. An estimated contract value of $550,000 is provided, and bidders must hold a California Class A or Class C‑42 contractor’s license. The bid package is available electronically beginning April 6, 2026, with a submission deadline of April 30, 2026. • Replace existing culverts and install new ones at several locations. • Remove and replace drainage inlet structures to improve water conveyance. • Implement erosion‑control solutions (e.g., riprap, geotextiles, vegetation). • Must meet a 30‑working‑day construction timeline and hold the required contractor licenses. • Electronic bidding only; all documents downloadable from the Caltrans portal.