Engineer's Office
The Byxbe Building
1610 State Route 521, P.O. Box 8006
Delaware, OH 43015
Phone
(740) 833-2400
Fax
(740) 833-2399
Hours
8am – 4:30pm (Monday-Friday)
Engineer's Map Department
Rutherford Hayes Administration Building
140 North Sandusky Street
Delaware, Ohio 43015
Phone
(740) 833-2450
Hours
8am – 4:30pm (Monday-Friday)
Email the Engineer’s Office
CLICK on the Link Below for the Updated County Road Paving Program: List of Roadways Scheduled for Attention from 7/22 thru 7/25:
https://engineer.co.delaware.oh.us/county-road-paving-program-list-of-roadways-scheduled-for-7-22-thru-7-25/
A portion of the Southbound Lane of South Old State Road (Orange Township) will Be CLOSED from 7/27 thru 8/14. Just south of Hollenback Rd. for the developer to add turning lanes (across from Sunglow Drive) into a new development.
For More Information:
https://engineer.co.delaware.oh.us/portion-of-the-southbound-lane-of-south-old-state-road-will-be-closed-from-7-27-thru-8-14/
Kenney Road (Porter Township) is Now OPEN for Travel.
For More Project Photos:
https://engineer.co.delaware.oh.us/project-photos-2026/
Curtis Road (Radnor Township) will Be CLOSED from 7/20 thru 8/28.
For More Information:
https://engineer.co.delaware.oh.us/curtis-road-will-be-closed-from-7-20-thru-8-28/
Construction In Action:
Piatt Road and Peachblow Road (Berlin Township) Roundabout Project.
Update: Lighting and Signage currently being installed with Final Landscaping to follow. Project will be completed soon.
For Project Photos:
https://engineer.co.delaware.oh.us/project-photos-2026/
Construction In Action:
Lewis Center Road and SR 3 Intersection (Genoa Township).
Update:
Paving currently on Lewis Center Road and adding the turn lanes on State Route 3 should begin soon.
For More Project Photos:
https://engineer.co.delaware.oh.us/project-photos-2026/
