Contractors will once again attempt to install the arch on the EB side of the 20/59 bridge at McFarland this weekend. This will require the closing of McFarland both directions under the bridge. AlDot says McFarland will be closed from Friday at 8 pm until Monday at 5 am. Motorist are advised to use Skyland, Greensboro and I359 as alternate routes during this time.