Highway Maintenance Supervisor salary at Washington County

The average highway maintenance supervisor salary at Washington County was $90,205 , which is 3 percent lower than the average salary for this job in Minnesota, and 3 percent lower than the national average for this job . Highway Maintenance Supervisor salaries at Washington County typically range from $76,462 to $103,949 (25th to 75th percentile). The highest reported highway maintenance supervisor salary was $103,948. There are 2 employees at Washington County with the job title highway maintenance supervisor.