Wednesday, October 26, 2016

Fixing fire-damaged freeway tunnel to cost $16.5 million

Crews drill holes into concrete exposed to intense heat from tanker truck fire/Caltrans District 7

Photo by Nicholas Scimeca

An estimated $16.5 million will be spent on repairing a tunnel at the 2 and 5 freeways  that was damaged last month from the intense heat generated by a gasoline tanker-truck that caught fire in the passageway.

The damage estimate for the Elysian Valley freeway tunnel was revealed by Carrie Bowen, acting director of Caltrans District 7, in a blog post on the highway agency’s website.  The repairs are expected to begin in October and completed before Christmas, according to Bowen.

The damaged tunnel  connects the northbound 2 freeway to the northbound 5 freeway. The Caltrans blog provided details of the repairs:

  • Hydrodemolition will remove any degraded concrete from the surface of the structure.
  • Shotcrete is a slurry of concrete that is sprayed at a high velocity to fill damaged voids.
  • Epoxy injections will help seal cracks in the concrete and provide additional strength to the structure.
  • Repave the damaged roadway.
  • Upgrade the connector’s lighting, metal beam guardrail, and add anti-graffiti coated paint.

Caltrans did not say whether the repairs would require any lane closures.

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  1. Thanks! I had been looking for some follow-up to this story, without success until now. Seems like the new media loses interest after the initial story.

  2. Actually, I’d have to credit the Eastsider for following this story closely. Other media outlets have followed it closely, but there hasn’t been any updates that could be released until recently.

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