From and after the first day of June, Anno Domini one thousand nine hundred and seven, the state highway commissioner shall divide the said road, in Somerset, Fayette and Washington counties, into four divisions, and shall employ one superintendent for each division, at a salary not to exceed eight hundred dollars per annum. The said superintendents shall devote their entire time to the care and maintenance of said road, and shall give bond in suitable and reasonable amounts.
36 P.S. § 2317