The Pennsylvania Department of Transportation is looking to ease the strain on and lengthen the lives of aging bridges around the state.

PennDOT Secretary Barry Schoch has authorized the addition or changes to weight restrictions on about 1,000 structurally deficient bridges state-wide.

The move applies weight restrictions to 530 state-owned spans in Pennsylvania and about 470 locally-owned bridges.

PennDOT says it's hoped the restrictions will preserve safety while funding for more permanent repairs remain uncertain.

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