Overview
The Washington State Department of Transportation will replace the existing I-5 Chamber Way overpass with a taller, wider structure.
On the morning of Friday, July 22, 2016, a semi-truck hauling a pair of excavators hit a portion of the Chamber Way bridge that spans over southbound I-5 in Chehalis, causing significant structural damage.
For the safety of the traveling public, the damaged span was demolished and a temporary bridge is currently in place.
Why is WSDOT building a new Chamber Way overpass?
The existing overpass was built in 1958 and does not meet modern design standards. The Chamber Way overpass is a two lane bridge spanning across the interstate, and is only 14 feet 8 inches above I-5.
WSDOT demolished a portion of the bridge that was damaged by an oversized load and installed a temporary bridge in the summer of 2016.
The End Result
A wider, taller overpass will keep people in Chehalis connected between a vibrant commercial center west of I-5 and the city center.
The new overpass will be incorporated into a future project that will add improvements to I-5 and modify the adjacent intersections.
Safety - The new overpass will replace the existing structure and temporary bridge that is currently in place.
Mobility - Chamber Way will be widened across I-5, with improved bike and pedestrian access.
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Celeste Dimichina
WSDOT communications
360-905-2057
dimichc@wsdot.wa.gov
Susan Fell
Project Engineer
360-905-1548
swrDB@wsdot.wa.gov