Tuesday, June 22, 2021

Drivers urged to use caution as bridge goes dark in Columbia, millions of mayflies emerge

The bridge blackout is scheduled to begin tonight, and it could continue for weeks as mayflies complete their annual mating ritual in the skies above Veterans Memorial Bridge, which carries Route 462 over the Susquehanna River to link Lancaster and York counties.

That's according to Jake Graham, Columbia Borough's public works manager, who said the bugs' mating season kicked off sometime overnight. He said he knows because thousands of the dead flies were found beneath the bridge's lanterns this morning.

"The worst of it was on the Wrightsville side, which is typical," Graham said, adding that road crew workers used tools to remove them.



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