The Hamilton County Parks and Recreation Department has announced that the Riverwalk from the Chickamauga Dam to the Fry Center will be closed for repairs for approximately two weeks starting today. A drain pipe that runs from the Chattanooga State campus under the Riverwalk to the Tennessee River has collapsed and will have to be dug up and replaced. In order to complete this project, work crews will have to dig up a section of the Riverwalk and then replace it once the pipe has been installed.