COSMOPOLIS – A smofullly different journey has arrived for US 101 vacationers between Aberdeen and Raymond. Crews fulld paving at milepost 78 in Grays Harbor County on Friday, Might 20. The highmethod reopened To 2-method journey following earlier intime periodittent lane closures from hillside damage After which roadmethod restores. Enchancment is now full and no further lane closures are scheduled for this slope stabilization enterprise.
This general stretch of roadmethod, Additionally referred to as “Cosi Hill,” had been scale againd principally to a single lane with alternating visitors since January 2020 As a Outcome of of continuous roadmethod settlement that required two separate restore tasks shut in proximity. The now-full milepost 78 work is the second of these tasks. The Washington State Division of Transportation highmethod sits on a pre-historic landslide and heavy rains triggered the roadmethod to drop Greater than 5 ft.
“We respect The general public’s endurance whereas crews labored final summer time and fall to stabilize Cosi Hill,” said WSDOT Aberdeen Project Engineer Jason Mettler. “All of us know prolonged lane closures are difficult for vacationers, however they have been needed To finish this $4.3 million funding to stabilize the hillside and scale again the probability of further highmethod settlement.”
The reply
The frequency and severity of slide exercise at this website required a restore enterprise Which may higher Get up to vital movement after heavy rains. Previous low-value restores proved to solely final one season and Did not tackle the historic underlying causes and road settlement.
The prolonged-time period repair to the road settlement designed by WSDOT engineers included placing in “solider pile partitions” to stabilize the hillside.
“Crews put in 45 metallic beams roughly 43 ft into The underside, lined up One after The fullly different with wooden timbers …….
Source: https://wsdot.wa.gov/about/news/2022/thats-wrap-us-101-cosi-hill-slope-stabilization-work-complete