Minn. Stat. § 165.10
Subd. 1. Certain counties may issue and sell.
The county board of any county having no outstanding road and bridge bonds may issue and sell county road bonds in an amount not exceeding 0.12089 percent of the market value of the taxable property within the county exclusive of money and credits, for the purpose of constructing, reconstructing, improving, or maintaining any bridge or bridges on any highway under its jurisdiction, without submitting the matter to a vote of the electors of the county.
Subd. 2. Bonds issued, sold and retired.
Such bonds shall be issued, sold and retired in the manner provided in chapter 475.