MACKINAW CITY, MI - Motorists crossing the Mackinac Bridge are being asked to reduce their speeds to 20 mph because of dense fog in the Straits of Mackinac area.

Drivers are also being asked to turn on their low-beam headlights and use caution as they cross the 5-mile span linking Michigan's two peninsulas, the bridge authority said.

Fog conditions are expected to persist into this afternoon, according to the National Weather Service.

To check current conditions on the Mackinac Bridge, check here.

"The Mackinac Bridge Authority is monitoring conditions at various points along the structure. Additional steps will be implemented if conditions change," the bridge authority said. "If you are planning to travel to the Straits area, please tune to AM 530 or 1610 for update."

The Mackinac Bridge disappears into the fog.