Republican Greg Brooks won the crowded Rutherford County Road Superintendent race with 5,724 votes, beating Joe Frank Jernigan by a mere 495 votes.
Overall, Brooks received 29.18 percent of the votes cast, Jernigan received 26.66 percent, Buddy Gambill Jr. 22.54 percent and Robert Alsup 21.39 percent.
Brooks will face Democrat B.J. Smotherman, who ran unopposed, in the County General election, held Aug. 2.
In the county property assessor race, incumbent Bill Boner made it by challenger Lance Jenkins, winning the Republican primary 50.22-41.48. William Austin Jr. received 8 percent.
Boner will square off with Democrat Rob Mitchell in August.
Voter turnout was 17.19 percent, with 8,149 casting ballots early.
Murfreesboro residents return to the polls again April 17 to vote for three city council seats and four city school board seats.