TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 117--DRAWBRIDGE OPERATION REGULATIONS--Table of Contents Subpart B--Specific Requirements Sec. 117.434 Caddo Lake. The draw of the Kansas City Southern railroad bridge, mile 26.4 near Mooringsport, shall open on signal if at least 24 hours notice is given. [CGD82-025, 49 FR 17452. Redesignated by CGD08-96-053, 64 FR 8722, Feb. 23, 1999]