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Two lanes of Portland’s Burnside Bridge will be closed beginning in early January 2018 for the rest of the year as part of the $19 million Burnside Bridge maintenance project.

Also, the bridge will close completely from 11 p.m. on Jan. 5 to 5 a.m. on Jan. 8 to allow Hamilton Construction to set up a work zone on the south side and traffic control on the north side, according to a news release from Multnomah County, which manages the bridge.

When the bridge reopens Jan. 8, one lane in each direction will be open. The speed limit will be reduced to 25 mph, down from 35 mph.

Bicyclists and pedestrians will share paths 7 to 8 feet wide. The south path will be separated from traffic by a barrier, while the north path will use the sidewalk.

The repairs may require full closure of the bridge on several nights in 2018, according to the county.

Hamilton will repair pavement, sidewalks and railings, paint areas below the deck and perform other work.

Separately, the county is working on a seismic resiliency plan for the Burnside Bridge to ensure it can withstand a major earthquake.