The draws of the US30 bridge, mile 3.1 at Nortonville, the Conrail railroad bridge, mile 4.0 at Jumbo, and the Salem County bridge, mile 5.1 at Pedricktown, need not be opened for the passage of vessels. However, the draws of any of these bridges shall be restored to operable condition within six months after notification by the District Commander to do so.
33 C.F.R. §117.737