SEATTLE – State ferries rolling in and out of Colman Dock over the weekend and into Monday will operate on an adjusted schedule while crews pour concrete as part of ongoing construction there.

Bremerton and Bainbridge Island ferries will share a single loading slip while the ferry terminal’s southern-most slip is closed for the work. Departure times will shift between five and 30 minutes for the three days of the adjusted schedule.

The new schedule keeps the same number of overall sailings, but on Monday Bremerton ferry riders commuting out of Seattle will feel a bit of a crunch with a 6:40 p.m. sailing shifting back to 7:30 p.m. Monday morning commuter sailings will largely stay the same or shift by a few minutes for both Bremerton and Bainbridge routes.

Crews will be pouring a new concrete walkway, which will connect the southern-most slip to the new, temporary terminal building, one of the finishing touches on that building before loading operations will shift there later this summer, Washington State Ferries spokesperson Broch Bender said.

“Doing this work now is critical because it allows us to move into the temporary terminal in mid-August, so that we’re on track to demolish the existing terminal and finish the project up by 2023,” Bender said.

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Over the three days, vessels will operate slower to avoid landing in the single available slip at the same time, so crossing times could be longer. Delays are expected at the dock as well. Ferries advises those in vehicles leaving from Colman Dock between 1 p.m. and 8 p.m. over the weekend to plan to arrive up to 60 minutes before their sailing.

“The best thing we recommend is to leave the car at home, take public transportation to and from the ferry and walk on if you can,” Bender said. “The reason for that is because we’re on a temporary sailing schedule, there’s only going to be about one sailing per route per hour, and so we anticipate there will be more crowding at the dock.”

Crews continue to work on a new walk-on passenger corridor area that will eventually connect to a temporary pedestrian bridge off Marion Street.

Construction on the massive, $455 million rebuild of the seismically vulnerable Seattle ferry terminal began in August 2017 and is expected to continue until 2023.

Later this month, Kitsap Transit and King County passenger ferry service will be suspended for a week as crews move a gangway for the new passenger-only ferry facility that connects to Colman Dock. That new facility is expected to open July 29.

For more information about the ferry schedule changes this weekend, visit bit.ly/CDockSummer.