1. There is hereby created and established in the several counties of this state a "County Highway Commission" to be composed of four members who shall possess the qualifications, and be appointed in the manner and for the term in this chapter provided.
2. Members of the county highway commission shall serve without compensation but each of them shall receive his actual and necessary expenses and a mileage allowance of five cents per mile actually and necessarily traveled at his own expense in the performance of his duties.