To make projects in certain counties eligible for funding under the rural surface transportation grant program, and for other purposes.

(1) in subsection (a) by adding at the end the following:

The term covered county means a county that has an annual gross agricultural production value of at least $1,000,000,000 and agricultural production of at least $500,000 per square mile, adjusted annually for inflation in accordance with the Consumer Price Index published by the Bureau of Labor Statistics of the Department of Labor.

The term farm-to-market road means a road located within a covered county.

(2) in subsection (i) by striking subsection (k)(1) and inserting paragraphs (1) and (4) of subsection (k);

(3) in subsection (k)—

(A) by redesignating paragraph (4) as paragraph (5);

(B) by inserting after paragraph (3) the following:; and

The Secretary shall reserve 10 percent of the amounts made available for the program for each fiscal year to provide grants for eligible projects located on farm-to-market roads in any amount.

(C) in paragraph (5) (as so redesignated) by striking or (3) and inserting (3), or (4); and

(4) by adding at the end the following:

The Secretary, in consultation with the Secretary of Agriculture, shall create, and annually update, a list of covered counties.