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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
We're making progress on the West North Broadway Bridge rehabilitation project. Check out the latest update to see how crews are transforming this bridge for motorists, pedestrians, and cyclists.
Franklin County Engineer
Franklin County Engineer
We had a blast at the WABA - Westland Area Business Association Independence Parade! Thanks to everyone who joined us as we kicked off the Independence Day holiday and America's 250th celebration. It was a great day with the Westland community!
Franklin County Engineer
Franklin County Engineer
Beach Road between Amity Road and Plain City-Georgesville Road has reopened to traffic.

Thank you for your patience during construction. Please note that one additional closure will occur later this summer to complete additional work. Advance notification will be provided before that closure begins.
Franklin County Engineer
Franklin County Engineer
Today is International Women in Engineering Day. We are proud to celebrate the talented women engineers and engineering professionals on our team whose expertise, innovation, and dedication help build stronger communities every day.

Thank you for all you do! #WomenInEngineering
Franklin County Engineer
Franklin County Engineer
Cooke Road, between Karl Road and Maize Road, is closed, for a City of Columbus waterline installation. The closure will last approximately 90 days, weather permitting.
Franklin County Engineer
Franklin County Engineer
Out offices are closed today in observance of Juneteenth.Today, we honor this important day of remembrance, reflection, and celebration of freedom. Our offices will reopen on Monday, June 22, 2026, at 7:00 a.m.
Franklin County Engineer's Office
970 DUBLIN ROAD
COLUMBUS, OHIO 43215
(614) 525-3030
fracoeng@franklincountyengineer.org

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Bridge Builders Biography Chapter 11

Bridge Builders Biography Chapter 11

Third Avenue and King Avenue Bridges

bridge
bridge

The replacement of the old bridges at Third Avenue in 1998 and King Avenue in 1999 would continue the tradition of building neo-classical structures over the Olentangy River.

The double-span Third Avenue Bridge is 270 feet long and 42 feet wide. The structure consists of continuous, precast, post-tensioned, concrete girders that rest upon a single river pier.

Five post tensioned, concrete arches comprise the King Avenue Bridge. The crossing is 392 feet long and 60 feet wide.

Both structures, built by the C.J. Mahan Construction Company, feature decorative railings and street lighting that honor the spirit of old Columbus and the bridge builders of yesteryear.