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Regulations last checked for updates: May 14, 2025
Title 23 - Highways last revised: Jan 01, 1900
All Titles
Title 23
Chapter I
Part 650 - PART 650—BRIDGES, STRUCTURES, AND HYDRAULICS
Subpart A [§ 650.101 - § 650.117] - Subpart A—Location and Hydraulic Design of Encroachments on Flood Plains
Subpart B [§ 650.201 - § 650.211] - Subpart B—Erosion and Sediment Control on Highway Construction Projects
Subpart C [§ 650.301 - § 650.317] - Subpart C—National Bridge Inspection Standards (NBIS)
Subpart D - Subpart D [Reserved]
Subpart E [§ 650.501 - § 650.517] - Subpart E—National Tunnel Inspection Standards
Subpart F - Subparts F-G [Reserved]
Subpart H [§ 650.801 - § 650.809] - Subpart H—Navigational Clearances for Bridges
authority:
23 U.S.C. 119
,
144
,
and
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