N.J. Stat. § 27:14-39: Completed road taken over by county; engineer's compensation

Upon the completion of the work to the satisfaction of the county engineer and the board of freeholders, and upon the submission to the board of proper receipts showing full payment for all work done, the board may by resolution declare the road or any portion thereof to be a county road. The county engineer shall be paid a reasonable fee for supervising the work, to be paid by the property owners.