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Franklin County Engineer

As a local public works agency headquartered in Columbus, Ohio, the Franklin County Engineer's Office is responsible for the maintenance and construction of 271 miles of county roadway and 351 county bridges, as well as upkeep of all county ditches, drains, retention basins, and other storm water facilities within the right-of-way of county roads in unincorporated areas. To meet the continuing development and infrastructure needs of Franklin County, the Engineer's Office utilizes the latest technologies for determining and maintaining roadway centerlines and boundaries; retracing and setting new monuments for original public land surveys; preparing geographic information system mapping for real estate tax assessments; and establishing precise countywide horizontal and vertical control to maintain uniformity in construction, surveying, and mapping.

Franklin County Engineer's Office
(614) 525-3030

County Engineer

County Engineer


Cornell has served as the Franklin County Engineer since June 2017. He began his career at the engineer’s office in 1992 and has held positions in construction, design, and overall engineering management.

Mr. Robertson received his Bachelor of Science Degree in Civil Engineering from The Ohio State University and is a registered Professional Engineer and Professional Surveyor in Ohio.

During his 28 year career at the engineer’s office, Cornell has worked on the following infrastructure projects: Lane Avenue Bridge over the Olentangy River, Broad Street Bridge over the Scioto River, Dublin Road from Fishinger Road to Hayden Run Road, Cleveland Avenue from Morse Road to Minerva Lake Road, and Alum Creek Drive at Groveport Road OHIO Interchange.

Cornell also helped update the Franklin County Subdivision Regulations, was on the County Access Management creation team, negotiated a new Labor Union Contract for our bargaining employees, and submitted and adhered to fiscally responsible budgets. Currently, Cornell serves on the Transportation Research Board (TRB) Roundabout Committee and represents the engineer’s office on Smart Columbus and other Connected & Autonomous Vehicle research teams.