This Sept. 12 photo shows evening rush hour traffic moving along one of Pittsburgh’s parkways under the superstructure of the Liberty Bridge in downtown Pittsburgh, Pa.  (AP Photo/Keith Srakocic/File)

This photo shows evening rush hour traffic moving along one of Pittsburgh’s parkways under the superstructure of the Liberty Bridge in downtown Pittsburgh, Pa. (AP Photo/Keith Srakocic/File)

PITTSBURGH (AP) _ State transportation authorities say a major bridge into downtown Pittsburgh closed after a construction fire will remain closed indefinitely due to additional emergency repairs.

The Liberty Bridge has been closed since Sept. 2. Pennsylvania Department of Transportation officials had planned to open the 2,600-foot-long bridge on Monday but are delaying the opening while work is done to ensure the damaged 30-foot chord is safe.

PennDOT district executive Dan Cessna declined to give a future reopening date, saying the repairs could take weeks but not months.

The fire began on plastic pipes and a construction tarp as crews were cutting steel as part of an $80 million reconstruction project. Authorities said the flames damaged a steel beam critical to the stability of the bridge, which spans the Monongahela River.

 

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