[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR650.801] [Page 237] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 650--BRIDGES, STRUCTURES, AND HYDRAULICS--Table of Contents Subpart H--Navigational Clearances for Bridges Sec. 650.801 Purpose. Source: 52 FR 28139, July 28, 1987, unless otherwise noted. The purpose of this regulation is to establish policy and to set forth coordination procedures for Federal-aid highway bridges which require navigational clearances.