One lane of Highway 177 across Norfork Lake will close at 7 a.m. Monday, Dec. 9, and remain closed through March 31, 2015.
During that time crews will conduct maintenance on the dam's 12 tainter gates.
The Army Corps of Engineer Mountain Home Project Office regrets any inconvenience this may cause and asks for the public's cooperation during the closure.
Motorists should expect delays, obey traffic lights, and drive cautiously around equipment and work crews.
For more information, call (870) 425-2700.