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Bridge construction closes southbound I-5 in Tacoma Saturday

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Date:  Friday, October 15, 2010

Contact:
Troy Watts, WSDOT field engineer, 253-589-6100
WSDOT Communications, 360-357-2789

Future closures in both directions planned

TACOMA – The first of at least 10 full closures of southbound I-5 takes place this weekend in Tacoma as Washington State Department of Transportation (WSDOT) and contractor Guy F. Atkinson continue building a new segmental bridge for the SR 16 Westbound Nalley Valley project.

An enormous crane will lift a 70- to 90-ton piece of concrete into place that is 45 feet wide, 12 feet high and 8 to 10 feet long. Crews will use steel cables and rods to secure it to the end of the bridge, which continues to span I-5 as new segments are added.

Drivers will follow a signed detour around the work zone using 38th Street from 1 a.m. to 7 a.m. Saturday, Oct. 16.

“Closing southbound I-5 during this work is vital to ensuring both traveler and worker safety,” said Kevin Dayton, region administrator. “More than two-thirds of the bridge’s 112 segments have been lifted into place, but we still have 40 to go. We’ll have more I-5 closures like this throughout the winter.”

The remaining 40 segments will be lifted into place at various locations of the new bridge, which will provide a new connection from northbound I-5 to westbound SR 16. When completed, the bridge will span I-5 and various exits in the vicinity. Each time crews have to lift girders over traffic, WSDOT will close I-5 lanes and ramps for safety.

Once all segments are secured, additional nighttime closures will be required as crews tie the sections and end spans together into a continuous structure.

The $184 million SR 16 Westbound Nalley Valley project started in January 2009, and is approximately 75 percent complete. The work is funded primarily by the 2003 gas-tax transportation-funding package.

For more information about this project, visit http://www.tacomatraffic.com/. To get updates about the project’s construction schedule and roadway closures on I-5, SR 16 and area ramps visit www.wsdot.wa.gov/Regions/Olympic/Construction/Default.htm.

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WSDOT keeps people, businesses and the economy moving by operating and improving the state's transportation systems. To learn more about what we're doing, go to www.wsdot.wa.gov/news for pictures, videos, news and blogs. Real time traffic information is available at www.wsdot.wa.gov/traffic or by dialing 5-1-1.


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