46 CFR 45.177 - Freeboard requirements.

Regulations last checked for updates: Feb 11, 2026

Title 46 - Shipping last revised: Jan 15, 2026

§ 45.177 - Freeboard requirements.

(a) All barges must have a minimum freeboard of 24 inches (610 mm).

(b) Additionally, open hopper barges must have a combined freeboard plus cargo box coaming height of at least 54 inches (1,372 mm).

authority: 46 U.S.C. 5104,5108; Department of Homeland Security Delegation No. 0170.1

source: CGD 73-49R, 38 FR 12290, May 10, 1973, unless otherwise noted.

cite as: 46 CFR 45.177