Road construction

Road construction mishap
8:01 pm
Wed July 10, 2013

State says defective support caused lumber to fly off Tacoma viaduct

On June 29th, a defective wood support beam collapsed on the Nalley Valley Viaduct project.
Joe Bushnell

The Washington State Department of Transportation has now figured out what caused construction lumber to fall off the Highway 16 Nalley Valley Viaduct project and smash onto South Tacoma Way on June 29th.

As KPLU reported, the falling lumber barely missed landing on a man on a moped.

WSDOT says the contractor has now determined that the cause was a defective four-by-six wood support beam, which collapsed spilling the construction lumber onto the roadway below.

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Road construction mishap
3:49 pm
Tue July 2, 2013

WSDOT unsure why lumber flew off Tacoma viaduct site onto road

Broken plywood, on which four-by-fours were stored, as seen from under the bridge.
Joe Bushnell

The Washington state Department of Transportation is trying to figure out what went wrong on Saturday when dozens of pieces of construction lumber on the Nalley Valley viaduct project on Highway 16 came loose and fell onto the roadway below, smashing into pieces as drivers watched in disbelief. 

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