The large lock at the Ballard Locks is closed for the next two weeks for annual maintenance.
During the closure, US Army Corps of Engineers workers will remove barnacles from the walls and floor. According to Andrea Takash with the Corps, the annual work reduces the hazards to juvenile salmon drawn into the filling tunnels.
The small lock will remain open for boat traffic throughout the closure. The small lock can normally accommodate vessels 100 feet in length with 25 foot beams.
The large lock is scheduled to re-open at 5 p.m. on November 24th.