In establishing any road improvement district, all necessary lands may be appropriated as provided in this part and a right-of-way of as much as one hundred feet (100') may be so appropriated if deemed necessary for the sites and location of any road to be built under this chapter, but the provision in this section as to the width of the right-of-way shall not prevent the monthly county court from ordering the appropriation of other lands deemed necessary for the purposes of the improvement district under this chapter.