[This post has been updated]
3:51 p.m. Update: There are now two lanes open, according to DDOT. The exit for Pennsylvania Avenue remains closed so that crews can remove the sign that was struck, officials said.
3:25 p.m. Update: D.C. officials report that one northbound lane has reopened. A second is expected to open soon.
Original post: Northbound Interstate 295 was shut down in the District about 2:30 p.m., according to the District Department of Transportation, so that crews can begin repairs to an overhead sign structure.
DDOT spokesman John Lisle said 295 is closed from Howard Road to Pennsylvania Avenue. Northbound traffic is being detoured to the inbound 11th Street Bridge (I-695), he said. The highway will reopen before rush hour, Lisle said.
Officials said an oversize truck struck the gantry earlier Monday. The accident closed two lanes of traffic.
Southbound 295 will remain open.