The Union County Engineer is responsible for the construction and maintenance of bridges on all county and township roads and certain municipal streets and state highways within municipalities.

The Union County Engineer is the engineering advisor to all fourteen Boards of Trustees for the construction and maintenance of township roads. The townships also look to the Union County Engineer as a contractor to perform many of their township road responsibilities on a cost reimbursement basis.

Regulations and Forms

Special Hauling Permit
Work Within Right-of-Way Permit
Requirements for Work Within Road Right-of-Way

Planning and Reference

Program of Work (2025) - Tentative
Chip Seal Program (2025)
Road Classification Map
Snow Plow Routes Map
Posted Bridge Load Limits Map
Speed Zones Map
Traffic Counts
Right-of-Way
County Highway Maps