PennDOT maintenance crews will be cleaning bridges this week on Interstate 81 and Interstate 78 in Lebanon County.
PennDOT said that this work will be performed from 9 a.m. to 2 p.m. all week, weather permitting.
Motorists should be alert for lane or shoulder closures at various locations along the highways.
PennDOT mandates that most bridges in the state be cleaned annually.
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