HILLSBOROUGH (CBS SF) — The California Highway Patrol issued a Sig-alert and shut down northbound lanes of Interstate Highway 280 near the scene of a crash in Hillsborough Saturday morning.

According to the CHP, it was reported at 5:49 a.m. that a vehicle was overturned on the Doran Bridge, which spans Crystal Springs Road near the Crystal Springs Reservoir.

At least two vehicles were involved in the crash, according to the CHP, and at least one person was reported as having minor injuries.

There is apparently black ice on the bridge, according to the CHP.

The northbound lanes along the bridge at Bunker Hill Drive were closed at 6:34 a.m. for 24 minutes.

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