For the duration of occurrences hazardous to safety or navigation, such as floods, freshets, and damage to the bridge or fender system, the District Commander may require the owner of an operational drawbridge listed in this subpart to have the bridge attended full time and open on signal.
source: CGD 82-025, 49 FR 17452, Apr. 24, 1984, unless otherwise noted.
cite as: 33 CFR 117.59