Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.117.255 Potomac River

(i) From Monday through Friday (except Federal holidays), 5 a.m. to 8 p.m.

(ii) Saturday, Sunday, and Federal holidays, 2 p.m. to 7 p.m.

(iii) [Reserved by 73 FR 37808]

(i) The owner or operator of the vessel provides the bridge tender with an estimate of the approximate time of that passage at least 12 hours in advance at (703) 836–2396;  and

(ii) the owner or operator of the vessel notifies the bridge tender at least 4 hours in advance of the requested time for that passage.

(i) Monday through Friday (except Federal holidays), 5 a.m. to 12 midnight;

(ii) Saturday, Sunday, and Federal holidays, 7 a.m. to 12 midnight, except as provided in paragraph (a)(4)(iii) of this section;

(iii) Notwithstanding paragraph (a)(4)(ii) of this section, the bridge may open beginning at 10 p.m. on Saturday, Sunday, or a Federal holiday for the passage of a recreational vessel if the owner or operator of the vessel notifies the Bridge Tender of the time of that passage by not later than 12 hours before that time.

(iv) [Reserved by 73 FR 37808]

(i) The owner or operator of the vessel provides the bridge tender with an estimate of the approximate time of that passage at least 12 hours in advance at (703) 836–2396;  and

(ii) the owner or operator of the vessel notifies the bridge tender at least 4 hours in advance of the requested time for that passage.