Request For Proposals: Engineering, Surveying And Environmental Services County Road Z Angel Slough Bridge Project

The County of Glenn is seeking a qualified engineering firm to provide comprehensive professional engineering, surveying, and environmental services for the Federal‑Aid Bridge Replacement on County Road Z at Angel Slough. The scope covers project management, topographic and drone surveying, geotechnical and hydraulic studies, environmental clearances (NEPA/CEQA), bridge design, preparation of progressive PS&E packages (35 %, 65 %, 95 %), bid assistance, construction‑phase support, utility coordination, and right‑of‑way documentation. The consultant must deliver a construction‑ready design package as quickly as possible, with the overall construction schedule targeted for completion by November 2036. • Deliver full‑service engineering, surveying, and environmental studies for a new bridge (Federal‑aid bridge project 11C‑0075). • Produce topographic, drone, and utility surveys; geotechnical investigations; hydraulic/hydrologic analyses. • Prepare NEPA and CEQA documentation, obtain required permits (Section 404, 401, etc.). • Develop preliminary, 65 % and 95 % PS&E packages, including detailed cost estimates and constructability reviews. • Provide bid‑assistance, construction‑phase engineering support, and as‑built documentation. • Coordinate with County, Caltrans, FHWA, and multiple federal, state, and local agencies. • Submit one hard‑copy and one electronic (PDF) technical proposal by 12:00 PM on November 19, 2026.