A proposed IRR transportation facility is any transportation facility, including a highway bridge, that will serve public transportation needs, is eligible for construction under the IRR Program and does not currently exist. To be included in the IRR inventory, a proposed transportation facility must:
(a) Be supported by a tribal resolution or other official tribal authorization;
(b) Address documented transportation needs as developed by and identified in tribal transportation planning efforts, such as the long-range transportation plan;
(c) Be eligible for IRR Program funding; and
(d) Be open to the public when built.