Memorial Bridge closing Saturday morning for D.C. half-marathon

Route for the Rock ‘n’ Roll half-marathon (image via Rock ‘n’ Roll Running Series)
Drivers might want to keep clear of Memorial Bridge this Saturday morning: the bridge will be closed for The Rock n’ Roll Half Marathon.
While not listed among the extensive closures in D.C. connected to the race, United States Park Police Public Information Officer Sgt. Thomas Twiname confirmed to ARLnow that the bridge would be closed Saturday (March 18) morning for the half maratho