25 CFR 170.810 - To what standards must an IRR transportation facility be maintained?
IRR transportation facilities must be maintained, subject to availability of funding, in accordance with the IRR TFMMS. The Secretary will develop these standards with the input of the IRR Program Coordinating Committee. The Secretary must accept as interim standards any tribal maintenance standards that meet or exceed applicable Federal standards. Interim standards must include any of the following:
(a) Appropriate National Association of County Engineers maintenance standards;
(b) AASHTO road and bridge maintenance manuals, latest edition; or
(c) Other applicable Federal, State, tribal, or local government maintenance standards as may be negotiated in an ISDEAA road maintenance self-determination contract or self-governance agreement.