Keller Ferry will be out of service from Saturday night to Sunday morning

The Washington State Department of Transportation said that routine engine maintenance will close the Keller Ferry vessel, the Sanpoil, from 10 p.m. on Saturday, Feb 10 until about 6 a.m. the following morning, Sunday, Feb. 11.

"Crews periodically swap one of the two engines on the Sanpoil with a third engine that is in reserve," the WSDOT explained. "The engine from the boat goes to a machine shop to be overhauled and brought up to factory specifications. That engine becomes the spare and ready for the next exchange."

The engine coming out has about 25,000 hours of service.