By: KDKA-TV News Staff

PITTSBURGH (KDKA) – Motorists planning to take the Pennsylvania Turnpike on Saturday night will have to find a detour.

Tonight at midnight, the turnpike will be closed for about five hours between the Allegheny Valley and Monroeville exits.

Crews will be removing beams from a bridge in Monroeville.

Message boards will be in place with detour information.