Louisiana Revised Statutes Tit. 38, § 114. Construction of levee across bayou or slough

Whenever it is necessary to build any public levee and the line of the levee crosses any bayou or slough, the levee shall be so constructed as to have a banquet or berme, against the rear base of the levee, at the crossing of the slough or bayou. The banquet or berme shall be built up to the level of the roadway on each side of the bayou or slough, and shall be twenty feet wide on top.