StacksVerified U.S. regulatory reference

46 CFR §45.177

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)All barges must have a minimum freeboard of 24 inches (610 mm).
  2. (b)Additionally, open hopper barges must have a combined freeboard plus cargo box coaming height of at least 54 inches (1,372 mm).