CINCINNATI — Both sides of Interstate 471 — known as the Daniel Carter Beard Bridge between Kentucky and Ohio — are closed after a fire broke out under the bridge early Friday morning, officials said.

As of 5 a.m., Cincinnati Fire and EMS said the fire was under control. Officials are urging motorists to find alternate routes for their morning commute.

Officials have not said what caused the fire.

This is a development story. Check back later for updates.