Construction crews have been busy this week working on Mussel Bar & Grille, a new restaurant that’s coming to 800 N. Glebe Road in Ballston.

The rock n’ roll-themed gastropub is expected to open at some point this summer but the exact date has not been confirmed, a rep told ARLnow.com.

“Nothing is being revealed yet,” said spokeswoman Meg Mendelsohn. A liquor license application, filed this week, says the restaurant will have a seating capacity of more than 150 seats.

Mussel Bar & Grille, from restaurateur Robert Wiedmaier, has existing locations in Bethesda and Atlantic City, N.J. Its menu includes various varieties of mussels, along with other entrees, Belgian tarts, charcuterie, cheeses, starters and sides.

As with other Wiedmaier restaurants, like BRABO in Alexandria and Brasserie Beck in D.C., an extensive beer list is offered.