Maze will close next week for cleanup 

Throughout the next week, Caltrans will shut down a portion of the MacArthur Maze between 10 p.m. and 5 a.m. each day so workers can clear construction debris from Interstates 580 and 880 — which were both recently repaired after a fiery gasoline-tanker crash a little more than a month ago.

To repair the portion of southbound I-880 charred in the explosion, workers had to stabilize the deck with beams called "falsework." On the I-580 overpass, workers installed a temporary platform on the sides to catch any falling debris.

Although both highways, which are part of the heavily traveled MacArthur Maze, have reopened to traffic, the falsework and temporary platform have remained in place.

"It’s all underneath," said Bob Haus, a spokesman for Caltrans, which oversees state highways.

Haus said there will be mobile electronic signs alerting drivers about the overnight detours.

The overpass was destroyed the morning of April 29 when a gasoline tanker traveling on southbound I-880 below crashed into a guardrail and spilled 8,600 gallons of gasoline. The resulting fire caused the I-580 overpass to collapse onto I-880. The damaged portion of I-880 reopened to vehicle traffic nine days after the explosion, and I-580 reopened May 24.

arocha@examiner.com

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