Highway reopens near site of foundry explosion - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Highway reopens near site of foundry explosion

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TACOMA, Wash. (AP) - A highway that was shut down after a series of fiery propane tank explosions at a foundry in Tacoma has reopened.

Transportation Department engineers had to wait until early Sunday morning until fire officials determined they could safely inspect bridge piers beneath a stretch of State Route 16.

The highway was closed Saturday afternoon after a propane tanker truck at the Atlas Castings and Technology foundry exploded in a massive fireball, touching off other explosions.

The truck driver remained in critical condition Sunday morning. Three others injured in the blast have been released from a hospital.

The cause of the initial explosion remains under investigation.