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The November opening of the Route 271 Strank Memorial Bridge in East Conemaugh and Franklin boroughs did not spell the end of the work and traffic delays.
Traffic is being restricted to one lane as crews have returned to address structural fractures in the bridge’s concrete decking.
Workers are applying an epoxy overlay on the decking that will have the effect of filling in the cracks that often develop as a part of the natural concrete curing process, said PennDOT spokeswoman Tara Callahan-Henry.
“We’ve been doing it on
90 percent of our bridges. It seems to be a standard practice,” she said.
The process calls for the bridge to be open to traffic for six months to a year and allow any stress fractures to develop and allow the concrete to cure.
The corrective measure helps extend the life of the deck, she said.
Ralph DeStefano, a Penn-DOT district bridge engineer, described the epoxy process as one similar to putting a sealer on a driveway.
The material is brushed onto the decking and an aggregate is added to enhance vehicle tire traction, he said.
Traffic on the bridge could be restricted for a few weeks, Callahan-Henry said.
The $16.5 million project involved replacement of the old Strank bridge and the Locust Street bridge with a single structure that took traffic out of Franklin Borough. It spans the Little Conemaugh River, several Norfolk Southern and Lehigh Valley rails lines and Railroad Street.
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