Reserve System. (6) Rural The term rural means a county that is neither in a metropolitan statistical area nor in a micropolitan statistical area that is adjacent to a metropolitan statistical area, as those terms are defined by the Office of Management and Budget and as applied under currently applicable Urban Influence Codes, established by the Economic Research Service of the Department of Agriculture. (7) State The term State means each of the several States, the District of Columbia, each territory or possession of the United States, and each federally recognized Indian Tribe. (8) State infrastructure bank The term State infrastructure bank means a State infrastructure bank or multi-State infrastructure bank established pursuant to— (A) section 350 of the National Highway System Designation Act of 1995