The Carrico Bridge on Virginia 94 in Grayson County was closed Thursday afternoon for emergency repairs.
The bridge will be closed for several weeks due to the repairs.
The Virginia Department of Transportation is dealing with a problem area found on the bridge. An inspection found that further repairs are necessary.
Motorists and trucks can detour around the bridge by using Virginia routes 94 and 274.
Local traffic traveling from Fries to Galax can use Virginia 606 and 721 across the low-water bridge to Glendale Road.