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Moving a 22-Million-Pound Bridge
Description
PennDOT is preparing to move a 22-million-pound bridge — the Commercial Street bridge over Parkway East — in a high-stakes test run today, using 42 hydraulic jacks and specialized crews to lift, slide, and reposition it with millimeter precision. The test, which involves moving the bridge just a few feet while monitoring every shift, is critical for next month’s full relocation. Commercial Street and the Nine Mile Run trail are closed for prep, with a tentative reopening at 4 PM if all goes well — but expect more closures through early August as construction continues, all while Parkway East traffic remains unaffected.
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