Updated, 12:30 p.m.
All lanes are now open following an incident on the inner loop of the Beltway near the Springfield interchange that closed all lanes Wednesday morning.
A dump truck hit a digital overhead sign on the westbound side of I-495 near exit 170B, on the eastern end of the Mixing Bowl. Virginia State Police received the call around 9 a.m.
The Virginia Department of Transportation said all lanes are now open.