(a) A public necessity for additional roads is created by the lack of adequate roads for general public access to a navigable stream, public lake, or the shore of a lake.
(b) There is a public necessity for a road under this subchapter if a bank or shore of public water is inaccessible to the general public.

(c) The purpose of this subchapter is to establish a road to make accessible to the general public a bank or shore of public water that is fenced in and inaccessible.
(d) A bank or shore of public water is inaccessible to the general public under this section if:
(1) the bank or shore extends for more than five miles without a public road to furnish access to the bank or shore; or
(2) there is an area of five or more miles on the bank or shore without a road to furnish public access to the bank or shore.