Thanks to Adam for sending. Red Robin Burger Works only opened in March of last year. This is also the former space of Boloco Burritos who also abruptly closed in December of 2014.
Other bars/restaurants that have recently closed on 19th Street are: Olivia’s Dinner, Protein Bar, Sophie’s Cuban Cuisine, Noodles and Co., Smith and Wollensky’s and Science Club:
1028 19th Street, NW just south of L Street