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Nashville, TN – As cold air deepens across the Volunteer State and snow showers move east this month, transportation officials are warning drivers in Nashville, Knoxville, and Memphis to use extreme caution on bridges and overpasses that are freezing faster than other roadways.
According to the National Weather Service (NWS), bridges freeze first because they are exposed to cold air both above and below, allowing heat to escape quickly from the pavement. That rapid cooling causes icy spots to develop even when main roads remain wet…