The Mercer County Engineer's Office is responsible for maintaining and improving the 387.97 miles of County roadways and the 409 Bridges on the Mercer County local roads. The County Engineer is the Engineer for the Township Trustees in all of the Mercer County Townships and the Engineer works closely with the Townships in Township roadway maintenance and improvement.
We are a multi-faceted engineering agency covering all phases of local road and transportation development. Some of the more significant areas of our efforts consist of Survey and Design, Road Maintenance and Reconstruction, Bridge and Culvert Construction, Drainage Improvements and Snow Removal.
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