County levy for maintenance, repair, and construction of roads and bridges--Reserve fund

The board of county commissioners may levy an annual tax as a reserve fund to be accumulated and used for the purpose of maintaining, repairing, constructing, and reconstructing roads and bridges as follows: (1) A levy not to exceed one dollar and twenty cents per thousand dollars of taxable valuation, if the total taxable valuation of the county is one billion dollars or less; (2) A levy not to exceed ninety cents per thousand dollars of taxable valuation, if the total taxable valuation of the county is more than one billion dollars but less than two billion dollars; and (3) A levy not to exceed sixty cents per thousand dollars of taxable valuation, if the total taxable valuation of the county is two billion dollars or more. Money in the fund may be expended in the laying out, marking, maintaining, constructing, and reconstructing roads and maintaining, constructing, and reconstructing bridges, under the jurisdiction of the board of county commissioners. The tax levy shall be in addition to all other levies authorized to be made by the board of county commissioners for road and bridge purposes provided for in §