23 CFR §661.3
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Tribes must comply with this regulation in applying for TTFBP funds for planning, design, engineering, pre-construction, construction, and inspection of new or replacement Tribal Transportation Facility (TTF) bridges classified as in poor condition, having low load capacity, or needing geometric improvements.