About the Office
The Delaware County Engineer’s Office maintains/inspects over 330 miles of roadway, 382 bridges and thousands of culverts, streams and ditches within the public rights-of-way. The office prepares construction plans, specifications and cost estimates for roadway infrastructure improvements and maintains traffic signals on any county roads that intersect other county or township roads
The office oversees new commercial and residential construction in unincorporated areas for conformance to public street construction standards and enforces grading and erosion control requirements. The office also reviews all work conducted within public road rights-of-way by the local utility companies to ensure the safety of residents and motorists.
Founded in 1808, Delaware County measures 457 square miles, with four (4) major reservoirs that supply drinking water to surrounding areas. The County is comprised of three (3) cities (Delaware, Powell, and Sunbury), and includes portions of the three (3) other cities: (Columbus, Dublin, and Westerville). Delaware County has (4) villages (Ashley, Galena, Ostrander, and Shawnee Hills, and eighteen (18) townships (Berkshire, Berlin, Brown, Concord, Delaware, Genoa, Harlem, Kingston, Liberty, Marlboro, Orange, Oxford, Porter, Radnor, Scioto, Thompson, Trenton, Troy), and portions of Washington Township.
One interstate highway (I-71) and three (3) U.S. highways (US 23, US 36 and US 42) pass through Delaware County, and provide for stable and effective county-wide travel.