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Memorial Bridge Closures Scheduled for Sept. 21-24

Note: This story updated to reflect the work delayed due to inclement weather.

All six lanes and both sidewalks of Arlington Memorial Bridge will be closed from 7 pm Friday, Sept. 21 to 5 am on Monday, Sept. 24, forcing motorists, cyclists and pedestrians to seek alternate ways to cross the Potomac River, according to the National Park Service.

For bicyclists and pedestrians, the Washington Area Bicyclists Association has provided a helpful map that outlines some of the best options.

Motorists’ best bets include Key Bridge (at Rosslyn and Georgetown) and 14th Street Bridge (via I-395 past the Pentagon and National Mall).

Boaters in the Potomac River should approach the bridge with caution and avoid the area near its center span. Drivers, cyclists, and pedestrians will need to use alternative routes to cross the Potomac River.

During this closure, work crews will:

  • Move barges on the Potomac River
  • Bring a crane next to the bridge on a barge
  • Cut holes in the bridge deck’s center span
  • Lower steel supports into the bed of the Potomac River through the holes in the bridge deck
  • Cover holes in the bridge deck to allow drivers to use the bridge again

When NPS begins work to replace the bridge’s road deck around mid-October, they will close three lanes and a sidewalk to all use. During that work, they will change the traffic pattern and sign detours for pedestrians and cyclists.

The park service is coordinating this closure with neighboring departments of transportation, emergency responders, and river users. When the September weekend closure ends, NPS will reopen four lanes but intermittently close two to prepare for upcoming work. These lane closures will be to install a center barrier and equipment that will be used to direct drivers using reversible lanes starting later this year.

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