The crash, involving at least six vehicles, was reported around 6:15 a.m., CHP Officer Kevin Kroncke said. The Nos. 2 and 3 lanes of were closed toward the middle of the bridge, Kroncke said.
A Sig-alert was issued around 6:30 a.m., and drivers were encouraged to take the Dumbarton Bridge or Bay Bridge as alternate routes, Kroncke said.
