Good news for drivers who use the Hulton Bridge in Oakmont, today PennDOT announced that the bridge is reopened to traffic, nearly 12 hours earlier than expected.
Authorities say a swarm of mayflies was so dense that it caused a series of motorcycle crashes and prompted them to close a Pennsylvania bridge.
The Hulton Bridge is officially closed for two weeks and motorists dealt with the detours for the first time this morning.
Drivers who use the Hulton Bridge will have to find a new way to get around starting tonight.
The new Hulton Bridge is in the process of getting its decking.
A bridge that connects Shadyside to East Liberty will close Monday morning as crews begin the process to replace it.