A brand new horizontal beam is in place on the SR 410 White River Bridge between Enumclaw and Buckley.
The new beam replaces one that was damaged when it was struck by an over-height load in April 2015.
The beam will be welded to the vertical beams on other side and the diagonal braces above it so permanently repair the bridge.
Tags: SR 410 White River Bridge steel-truss bridge over-height load Enumclaw Buckley South King County bridge repair
On April 16, 2016, contractors installed a new vertical beam on the SR 410 White River Bridge between Enumclaw and Buckley, WA.
The bridge was damaged in April 2015 when it was struck by an over-height load.
For the past year, a jacking system has been helping support the bridge until permanent repairs began on April 15, 2015.
Tags: SR 410 White River Bridge steel-truss bridge over-height load Enumclaw Buckley South King County bridge repair
A worker inspects the temporary support structure above the beam on the White River Bridge that was damaged when an over-height load struck it. The temporary support structure is critical in allowing workers to complete repairs on the bridge.
Tags: White River Bridge SR 410 Steel truss bridge Enumclaw Buckley over-height truck MJA
Look closely and you'll see that a significant chunk of the horizontal beam on the SR 410 White River Bridge between Enumclaw and Buckley is missing.
Contractors cut it away in chunks in April 2016. That horizontal beam is actually known as a horizontal sway frame.
It was badly damaged when an over-height load struck it in April 2015.'
To permanently repair the bridge, that horizontal beam will be replaced with a new one and welded onto the diagonal beams above it.
Tags: SR 410 White River Bridge steel-truss bridge over-height load Enumclaw Buckley South King County bridge repair horizontal sway frame
Worker begin marking the spots where heat straightening will be performed to repair the SR 410 White River Bridge between Buckley and Enumclaw.
The bridge was damaged by after it was struck by an over-height load in April 2015.
Besides replacing some of the beams, workers will use a heat straightening process to repair other beams. The method applies repetitive cycles of heating and cooling to reshape the steel.
Tags: SR 410 White River Bridge steel-truss bridge over-height load Enumclaw Buckley South King County