33 CFR §117.833

1. (a)The draw of the Albemarle & Chesapeake railroad bridge, mile 47.7, at Elizabeth City, North Carolina, shall be maintained in the open position; the draw may close only for the crossing of trains and maintenance of the bridge. When the draw is closed, a bridgetender shall be present to reopen the draw after the train has cleared the bridge.
2. (b)The draw of the US 158 Highway Bridge, mile 50.7, at Elizabeth City, shall open on signal; except that between 7 a.m. and 9 a.m., and 4 p.m. and 6 p.m., Monday through Friday, the draw need open only at 7:30 a.m., 8:30 a.m., 4:30 p.m., and 5:30 p.m. for any pleasure vessels waiting to pass.