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
Railroad Crossing Closures - New Starting Date of Thursday (6/11) at 7:00 AM and the Crossing on Peachblow Road has been Removed.
For Crossing List and More Information:
https://engineer.co.delaware.oh.us/list-of-railroad-crossing-closure-begin-monday-june-8th/
Construction In Action:
Lewis Center Road and SR 3 Intersection (Genoa Township).
Update The eastside of Lewis Center is open to traffic and the westside of Lewis Center is Closing soon.
For more Project Photos:
https://engineer.co.delaware.oh.us/project-photos-2026/
Construction In Action:
Kenney Road (Porter Township) Bridge Replacement Project.
For Project Photos:
https://engineer.co.delaware.oh.us/project-photos-2026/
Construction In Action:
E. Powell Road (Orange Township) Shared-Use Path and Sidewalk Improvements.
Update: Paving will begin next week.
For More Project Photos:
https://engineer.co.delaware.oh.us/project-photos-2026/
Construction In Action:
Center Village Road and S. County Line Road (Harlem Township) Roundabout Project.
Update: Soon the utilities will be relocated and then construction will begin.
For More Project Photos:
https://engineer.co.delaware.oh.us/project-photos-2026/
Radnor Road (Radnor Township) is Now OPEN for Travel.
For More Information:
https://engineer.co.delaware.oh.us/radnor-road-is-now-open-for-travel/