Regulations last checked for updates: Dec 19, 2025

Title 33 - Navigation and Navigable Waters last revised: Dec 12, 2025
§ 117.183 - Old River.

The draw of the California Department of Transportation (Route 4) highway bridge, mile 14.8 between Victoria Island and Byron Tract, shall open on signal if at least four hours notice is given to the drawtender at the Rio Vista bridge across the Sacramento River, mile 12.8.

[USCG-2021-0181, 87 FR 9447, Feb. 22, 2022]
authority: 33 U.S.C. 499; 33 CFR 1.05-1; and DHS Delegation No. 00170.1, Revision No. 01.4
source: CGD 82-025, 49 FR 17452, Apr. 24, 1984, unless otherwise noted.
cite as: 33 CFR 117.183