The Iowa State Patrol is investigating a deadly one-vehicle accident in Iowa City.

It happened at about 11:15am Saturday on Interstate 80.

A westbound pickup driven by 68 year old Kay Agal of Muskegon, Michigan, was approaching the Highway 1 interchange, when it went off the road and collided with the overpass bridge.

A passenger, 69 year old Terry Agal, also of Muskegon, Michigan, died from injuries.

The driver was taken to University Hospitals in Iowa City for treatment. There was no word on her condition.

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