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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
Franklin County Engineer
Notice to Contractors: We are accepting bids on the CDBG Genesee Avenue Drainage Improvements from Parkwood Avenue to Perdue Avenue Improvement Project. Visit: https://www.bidexpress.com/solicitations for more information.
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Franklin County Engineer
Franklin County Engineer
Notice to Contractors: We are accepting bids on the Franklin County Engineer’s Office CDBG Sidewalk Improvements Project in Clinton Township and Franklin Township, Franklin County, Ohio. Visit: https://www.bidexpress.com/solicitations for more information.
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Franklin County Engineer
Franklin County Engineer
W. North Broadway over the Olentangy River will be reduced to one lane in each direction, between SR-315 N. On-Ramp/Ohio Health Parkway and Milton Avenue, beginning Monday, March 2, 2026, for bridge rehabilitation. The closure will last approximately one-hundred fifty-two (152) days, weather permitting.
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Franklin County Engineer
Franklin County Engineer
Walnut Street, at the intersection of Walnut Street and New Albany-Condit Road (SR-605), will be closed beginning Monday, March 2, 2026, for construction of a multi-lane roundabout. The closure will last approximately ninety (90) days, weather permitting.
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Franklin County Engineer
Franklin County Engineer
Celebrate Engineers Week! Each year, Engineers Week (EWeek) brings together engineers, students, and communities nationwide to recognize how engineering shapes the world around us. Founded by the National Society of Professional Engineers in 1951, EWeek is more than a celebration, it’s a call to inspire the next generation. In 2026, EWeek takes place February 22–28. This year’s theme, “Transform Your Future,” highlights the power of engineering to create opportunity, drive innovation, and build stronger communities. From the roads we travel to the bridges that connect us, engineering truly transforms our future. #EWeek2026
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Franklin County Engineer
Franklin County Engineer
Engineering innovation was on full display at the 6th Annual Central Ohio Miniature Bridge Building Competition! We were proud to once again host this hands-on STEM experience alongside the Central Ohio Association of Bridge Construction and Design, Ohio Department of Transportation - Columbus District 6, The Ohio State University College of Engineering, the American Society of Civil Engineers, OSU Student Chapter, and the American Institute of Steel Construction.

This year, 347 students from 17 schools across five counties formed 142 teams and put their bridges to the test, competing for the highest load-to-weight ratio. The excitement in the room was undeniable as every bridge faced the ultimate challenge. We’re proud to keep building opportunities that connect students to real-world engineering and to help shape the next generation of problem-solvers right here in Central Ohio.
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Franklin County Engineer's Office
970 DUBLIN ROAD
COLUMBUS, OHIO 43215
(614) 525-3030
fracoeng@franklincountyengineer.org
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Maps

Maps

Road Map – 2025 Edition – NOW AVAILABLE

For those wishing to pick up a road map on the run, there is a distribution box located in our front parking lot at 970 Dublin Road that is accessible from your vehicle 24 hours a day.

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The Franklin County Folded Road Map can be obtained, free of charge, at all of the Franklin County Engineer’s Offices:

Main Office

970 Dublin Road

(614) 525-3030

Tax Map Office

373 South High Street, 19th Floor

(614) 525-3084

West Maintenance Facility

4444 Fisher Road

(614) 525-6780

East Maintenance Facility

4801 Hendron Road

(614) 525-6803

Road Atlas and Street Locator – 2025-2027 Edition NOW AVAILABLE

A complementary print-version of the Franklin County Atlas can be given from our headquarters lobby at 970 Dublin Road, and the Tax Map Office at 373 South High Street, on the 19th floor, free of charge. They are a useful guide for traveling around the county.

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Modern Roundabouts of Franklin County

Screenshot 2025-06-26 073203

The Franklin County Road Map can be obtained, free of charge, through the Engineer’s Offices and at various county, municipal, township, and state facilities. Our Surveying Department has gathered information from numerous public entities such as the Franklin County Auditor’s Office, Metro Parks, Ohio Department of Transportation, and City of Columbus to create the most accurate and comprehensive road map. About 1,250 changes were made to our land and highway record data base since the publication of the 2009 edition.

The five-color 44-inch wide and 37-inch tall road map shows over 12,000 public roads, which are listed in the street locator index, and the locations of 1,000 points of interest such as airports, fire departments, government buildings, high schools, hospitals, police departments, post offices, shopping centers, and universities. Also shown are regional street address numbers that are useful in locating specific addresses.

For more information about the road map, or to suggest revisions, please contact Ben McCown, GIS Manager.

Historical Maps and Information

Historical maps of Franklin County dating back to 1842, as well as township maps, road record books, subdivision plats, private surveys, county road construction plans, and county road right-of-way plans are housed in the Records Management Office of the Surveying Department. Copies of these records and others are available to the public free of charge or for a nominal fee. Most can be obtained in both hardcopy or digital formats.

For more information, please contact Glenn Thompson, Records Analyst at (614) 525-3045.