The rural road improvement projects may be financed from the following sources of revenue:
- 1. Proceeds received from the sale of bonds of the district. In addition to issuing general obligation bonds as prescribed by section 48-1045, the district may issue improvement bonds in the manner prescribed for county improvement districts established pursuant to article 1 of this chapter that are payable over not more than ten years.
- 2. Monies of the county that are contributed to the district.
- 3. State or federal grants.
- 4. Private contributions.
- 5. Any other monies available to the district by law.