A water main break Wednesday forced the closure of northbound U.S. 301 from Gibsonton Drive to Riverview Drive in east Hillsborough County, officials said.
The road was expected to reopen late Thursday, the Florida Department of Transportation said.
Officials said the underground water line, near Balm-Riverview Road just south of the Alafia River, was ruptured by drilling at an adjacent construction site.
Motorists must seek alternate routes until repairs are complete, officials said.
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