The Bay Bridge lane closures are necessary for bridge upkeep, including paint to protect the steel frame from a harsh marine environment.

Traffic was gridlocked on the Bay Bridge Sunday morning after a crash in the westbound lanes.

Work on the San Francisco-Oakland Bay Bridge will reduce eastbound traffic to a single lane most nights through October for painting, Caltrans said.

There’s a surreal serenity atop the world’s longest self-anchored, single-tower suspension bridge, crowned by a thick blanket of fog more than 500 feet above the rippling tides off Yerba Buena ...