(a) For bridge replacement or rehabilitation, TTF bridges are required to meet the following:
(1) Must meet the definition of a TTF bridge;
(2) Be classified as a Tribal transportation facility;
(3) Be classified as in poor condition, have low load capacity, or need highway geometric improvements;
(4) Be recorded in the NBI maintained by FHWA;
(b) For new bridge construction, TTF bridges are required to meet the following:
(1) Be classified as a Tribal transportation facility;
(2) Be a public bridge that meets the definition of a TTF bridge and recorded in the NBI after project completion.