Travelers on the Bainbridge Island-Seattle ferry route will have to navigate a new temporary sailing schedule from Saturday, July 13 through Monday, July 15 due to construction at Colman Dock.

According to Washington State Ferries, one of two available slips will close so contractor crews can pour a new concrete walkway as part of the Colman Dock project.

Due to the closure, all sailings to and from Seattle will follow a temporary sailing schedule for three days starting Saturday, July 13.

Officials said te new walkway will connect the southern slip to the temporary terminal building, scheduled to open in early August, but added it isn’t possible to maintain access to the southern slip from the existing terminal and install the new concrete walkway at the same time.

“Doing this work now keeps us on track to move out of the existing terminal building in August, which in turn keeps our contractor on schedule to finish the entire Colman Dock project in early 2023,” said Carl Vogt, construction project engineer.

“Washington State Ferries remains committed to maintaining ferry service while we rebuild our seismically vulnerable flagship terminal,” he added. “We are all in this together, and we thank everyone for their continued patience throughout construction.”

To prevent more than one ferry from arriving at or departing from the slip at the same time, ferry riders should expect vessel departure times to shift between five and 30 minutes throughout the weekend and Monday.

WSF added that no significant changes to early Monday morning departures from Bainbridge and Bremerton.

There will, however, be fewer sailings out of Colman Dock during Monday’s afternoon commute.

Weekend drive-on riders should plan an additional 60 minutes at the terminal if departing from Colman Dock between 1 and 8 p.m.

Sailings across Elliott Bay may also take more time: Crossing times could be longer when the single slip is occupied.

WSF may make additional temporary timetable adjustments to accommodate future construction at Colman Dock. Project planners continue to work closely with the contractor to minimize the length and duration of these future changes.

Colman Dock is Washington state’s largest ferry terminal and supports transportation across Puget Sound between downtown Seattle and communities in Kitsap County and the Olympic Peninsula. More than 10 million people use the terminal each year, but it is aging and vulnerable to earthquake damage.

Construction to replace the terminal began in August 2017 and will continue until 2023.