Louisiana Revised Statutes Tit. 32, § 294. Mississippi River Bridge crossings prohibited

A. No motor vehicle or combination of motor vehicles other than vehicles operated by a public utility requiring a special overlength, overheight, or overwidth permit issued by the secretary of the department, as provided for in R.S. 32:387, shall enter upon or cross over any bridge which spans the Mississippi River or, within a distance of two miles of such bridge, park within seventy-five feet of the highway approaching such bridge, in the parishes of Orleans or Jefferson, between hours of six-thirty a.m. and nine a.m. and between the hours of three-thirty p.m. and six p.m. from Monday through Friday of each week, except on legal state holidays; however, this provision shall not apply to any such bridge spanning said river between the parishes of East Baton Rouge and West Baton Rouge.

B. Whoever violates the provisions of this Section shall be guilty of a misdemeanor and shall be fined fifty dollars or imprisoned for not more than ten days, or both. For any subsequent violations the penalty provided herein shall be doubled.