The Alaskan Way Viaduct opened late Saturday afternoon, with the announcement that a Sunday closure would not be necessary.

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The Alaskan Way Viaduct, which was to be closed for much of the weekend, reopened late Saturday afternoon with word that a scheduled Sunday closure had been canceled.

The viaduct’s semiannual inspection was to take place from 6 a.m. to 6 p.m. both Saturday and Sunday. Work was completed Saturday, according to state officials, and the Sunday shutdown is no longer necessary.

These routine exams have occasionally revealed damage, including girder cracks near the Seneca Street offramp, and settlement near Pioneer Square.

The results of the inspection were not immediately available Saturday.

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Despite the reopening of the viaduct, some traffic congestion is expected in and around Seattle on Sunday.

There is a Sounders matchat 4 p.m., against Sporting Kansas City, expected to draw 40,000 fans.

The Hot Chocolate 5k and 15k runs, involving 7,500 participants, will use both directions of the Aurora Bridge for the 15k course Sunday morning, and the Pac-12 women’s basketball tournament goes all weekend at KeyArena.

On the Eastside, there will be shifting closures overnight, affecting up to three lanes on Interstate 90, while workers maintain lane-control signs between 10 p.m. Saturday and 5 a.m. Sunday, from south Lake Sammamish to I-405.

And the Seattle ramp from Lake Washington Boulevard to eastbound Highway 520 will close from 5 a.m. Saturday until 10 a.m. Sunday, for utility installation.

In the Marysville area, plans for expansion-joint replacement on I-5, over Union, Steamboat and Ebey sloughs, were postponed because of a forecast of rain, said Lisa Van Cise, spokeswoman for the Washington State Department of Transportation (WSDOT). The ongoing job requires dry conditions to paint lane stripes.

When work does commence, one direction of the freeway will be reduced to two lanes as the exact location of the 41-joint project changes weekend by weekend. WSDOT is now aiming to begin work southbound March 11-14.