It happened around 10:15 p.m. Wednesday at the intersection of Route 873 and Grove Street in Washington Township.
Authorities say heavy rain was coming down when the driver of a 2007 Dodge Ram 1500 truck lost control while trying to make a right-hand turn.
The driver crossed over the northbound lane and onto the shoulder.
The truck struck a utility pole with its front bumper and then continued to travel, striking a second pole on the passenger side.
The truck rotated clockwise, police say, hitting numerous street signs before coming to a stop.
The passenger, identified as 50-year-old Kristin Andres of Slatington, Pennsylvania, was taken to a nearby hospital where she died of her injuries.
The driver, identified as 50-year-old Francis Andres, was treated at the scene and then taken to the hospital.
Both were wearing their seat belts, police say.
Investigators say the heavy rain and flooding slowed down the rescue crews' response.
The crash remains under investigation.
The rain and flooding also slowed down the rescue crews' response.
Both occupants had to be extricated from the vehicle before being rushed to the hospital.
Heavy rain led to flash flooding in the Lehigh Valley late Wednesday into Thursday morning.
High waters closed Route 145 at Clearview Road in Whitehall Township.
The Action Cam found some drivers took their chances on the flooded roadway.
One driver however heeded the advice of our AccuWeather team to "turn around, don't drown."
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