A slider from Black & Orange on 14th Street NW. Taken using Instagram. (Alex Baldinger/The Washington Post)

The doors finally opened last night at Black & Orange’s second location, a new late-night spot on 14th Street NW just south of U Street. If that name’s not ringing a bell, you probably know this burger joint better by its former moniker, Rogue States; the original, Dupont location was closed for almost eight months last year because a D.C. Superior Court judge ordered the restaurant to replace a ventilation system said to be pumping burger fumes into an upstairs law office.

Those repairs delayed chef Raynold Mendizabal’s plan to open the U Street branch by more than six months. But now that it’s here, you can taste the one location-specific addition: the Hair of the Dog burger, which sports the flavors of horseradish, Worcestershire sauce, chilies, diced tomatoes and celery. (“Dedicated to the U St Community,” says the menu.)

Otherwise, it’s the same offerings as the Dupont location, which reopened as Black & Orange in June: The roughly 10 burger options — think curry, jerk seasoning, habanero peppers, truffle oil, soy and ginger — are served in quarter-pound and half-pound varieties. The fries are not-to-be-missed, and they come with a quartet of mayonnaise dipping sauces.

Since the grill will stay on until 5 a.m., the place should attract neighborhood bar and club patrons, as well as the bartenders and industry workers who serve them. There’s no alcohol on the menu yet, but patrons should be able to order beer and wine in the coming weeks, general manager Don Harvey says.

What say you, U Street regulars? How do you feel about the addition of a late-night burger option alongside newcomer Taylor Gourmet and Chivito-slinging stalwart Fast Gourmet?

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Black & Orange Burger's second location is on 14th Street NW, just south of U Street. (Alex Baldinger/The Washington Post)