All lanes have been reopened as of 7:30 pm.
At one point, all eastbound lanes were closed as well as the #1 and #5 westbound lanes.
CHP said the standoff was with a man who was climbing on the bridge since at least 2:30 p.m.
Officers say he was seen on both the upper and lower decks, but climbed under the lower deck around 4 p.m.
Police confirmed they took a subject into custody Wednesday evening.
Stay with ABC7 News for the latest details on this developing story.