Police in New Jersey had a dangerous situation to deal with Friday morning.

A tractor-trailer driver lost control of his rig and it flipped, sending the cab to the street below but the trailer was left propped up on the side of the bridge, WPVI reported.

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The truck was hauling mail, WCAU reported.

The United States Postal Inspection Service was called to the scene of the crash to make sure the items inside the truck were secure, WCAU reported.

Despite what looked like a bad accident, the driver of the truck had an arm injury and is in stable condition, New Jersey News 12 reported.