Celebrations kicked off Wednesday for the 250th birthday of the Navy and Marine Corps with a ship parade, military flyover, and other commemorative events. The festivities mark the founding of the two military branches and run through Oct. 16 for the Navy, with Marine Corps celebrations scheduled for Nov 7-11.

The celebration continues Monday — and so do the road closures. Here's what to expect:

Monday road closures

The Navy and Marine Corps 250 Parade is set to take place Oct. 13, from 11 a.m. to 1:30 p.m. The outbound lanes of JFK Boulevard between 20th and 30th streets will close Sunday, Oct. 12, at 1 p.m. until around 6 p.m. as crews prepare the parade's assembly area.

The following streets will close at 5 a.m. on Monday:

20th Street between Ben Franklin Parkway and Mar

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