ROCK ISLAND, Illinois – The U.S. Army Corps of Engineers, Rock Island District, announces navigation closures at the T.J. O’Brien Lock beginning November 3 in order to dewater the gate bays and perform critical maintenance to the infrastructure.
Two closures are scheduled, each lasting 47 days. The first closure, which begins Nov. 3, will run through Dec. 19, 2014. The lock will then reopen until the second closure scheduled for Jan. 19 through March 6, 2015.