RFP Culvert Evaluation and Design

Columbia County, through its Public Works department in St. Helens, Oregon, is seeking qualified professionals to provide comprehensive project management, structural assessment and in-field inspections, hydraulic analysis, engineering design, and related services for culverts located throughout the county. The solicitation, identified as S-C00055-00017168, was posted on June 22, 2026, and requires all proposals to be submitted by 10:00 PM Pacific Time on July 7, 2026. Offerors must demonstrate expertise in evaluating existing culvert infrastructure, conducting field inspections to determine structural integrity, analyzing water flow and hydraulic performance, and designing improvements or replacements that meet applicable transportation and environmental standards. All work is expected to be performed within Columbia County, primarily in the St. Helens area, and contractors are expected to coordinate closely with county personnel to ensure alignment with local infrastructure goals and regulatory requirements. Point of contact for questions and submission guidance is Grant DeJongh, the designated Purchaser.