Photo: John Ferrara.

UPDATE, 10:31 a.m.: The bridge has been reopened.

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UPDATE, 9:35 a.m.: One first responder on scene estimates that the bridge will be closed “for an hour or more.”

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UPDATE, 9:23 a.m.: No extrication was required, it turned out, though one person has suffered major injuries, and another person has suffered moderate injuries. The bridge is still closed.

First responders note “an oily sheen” on the water beneath the bridge due to fluids spilled in the crash. Environmental health is still on their way, and the Coast Guard is also responding.

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Scanner traffic indicates, and CHP dispatch — below — confirms that there has been a head-on collision on the Samoa Bridge. The bridge is currently closed.

Emergency personnel, including law enforcement and medical services, are responding to the scene. One patient needs to be extricated from their vehicle. The environmental health department is also en route.

Follow updates from CHP dispatch below.