Emergency rock wall repair will close NE 195th St in Lake Forest Park for 16 days

Friday, October 7, 2016

This photo shows the area where the rock (gabion)
wall pulled away from the embankment
next to NE 195th St in Lake Forest Park.
Photo courtesy WSDOT
Replacement of a collapsed rock retaining wall just off Ballinger Way NE (State Route 104) in Lake Forest Park will require a 16-day closure of Northeast 195th Street.

Beginning at 7am Monday, October 10, contractor crews working for the Washington State Department of Transportation will close a short section of NE 195th St at the Ballinger Way intersection.

The road will reopen by 10pm Tuesday, October 25.

Drivers will follow a signed detour, but should expect some delays and add a few extra minutes to their trips. Pedestrian access on NE 195th St will be maintained.

Retaining wall collapse

The retaining wall is made up of rocks placed in large wire cages called gabions. Beneath it is a culvert that carries Ballinger Creek under NE 195th St.

A closer view of the rock wall that pulled away
from the embankment. The wire cages filled
with rocks are known as gabions.
Photo courtesy WSDOT
Earlier this year, a WSDOT maintenance worker discovered the rock wall on the southeast corner of the intersection had pulled away from the roadway embankment.

“The collapse left an exposed vertical dirt face along Northeast 195th Street,” said WSDOT Project Engineer Dave Lindberg. 
“If left unrepaired, the dirt face will continue to erode, eventually undermining the sidewalk and the intersection.”
Location of replacement work

Replacement work

To replace the existing wall, crews from Granite Construction will divert Ballinger Creek into a large pipe placed across NE 195th St and close the road to motor vehicle traffic. After the creek is diverted, the gabions will be removed, crews will then excavate the area and install a new retaining wall.

The total project cost is estimated at $505,000 from federal emergency relief and pre-existing state funds.

The work is being done by WSDOT because Ballinger Way is a state highway.


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