Massive landslide shuts highway, clogs Naches River
State Route 410 to be closed for several weeks; Nile residents evacuated amid fears of floodingYakima Herald-Republic
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NACHES, Wash. -- A massive landslide that closed a section of State Route 410, destroyed at least two homes, blocked and changed the flow of the Naches River and prompted the evacuation of dozens of nearby residents could continue to advance for several more days.
Officials say it could be weeks before SR-410 is reopened, and it is unclear when power will be restored to hundreds of residents along the route.
The slide, about 10 miles west of Naches just west of the Woodshed Restaurant, was estimated at a quarter-mile wide and up to 40 feet deep. Sliding south toward the Naches River at about 6 a.m. Sunday, it buckled the roadway, breaking it into huge slabs and pushing the asphalt into the Naches River.
With its normal channel blocked by the slide, the river flooded the south end of Nile Loop Road and the nearby area where it threatened several homes.
No injuries were reported.
While geologists assess the hill’s stability, hundreds of people in the Nile area likely will remain without power for a few days. Pacific Power officials said they don’t want to restore power until the ground stops shifting.
Authorities advised evacuation for all homes within a four-mile radius of the Nile —including a boarding school for troubled youth — although a handful of residents chose to stay. It is unknown when the 60 or so evacuated residents will be able to return home.
What caused the slide isn’t known. There’s been no discernible rainfall in the area.
State Department of Transportation officials began monitoring the area about 2 p.m. Saturday, when early indications of the slide became evident.
“We are still trying to figure out what caused it,” said Meagan McFadden, DOT spokeswoman.
Calling it a “rotational landslide,” Washington State Patrol Sgt. Tom Foster said the blockage appears to be a result of earth shifting under the surface of the hillside — and not a classic landslide.
Soil from the slide area continued to slough off the hillside late Sunday afternoon, according to Ty Brown, a lieutenant with the Nile Fire Department and one of the incident commanders at the scene.
“Our main concern is the river is changing its own channel, trying to find its own way around the slide. We are dealing with flooding in that area,” Brown said. “Our next problem is to try to take care of the folks who live up the valley. They aren’t going to have power for some time.”
The slide took down several power poles, cutting power to about 800 customers in the Nile area, said Pacific Power spokesman Art Sasse in Portland.
Cutting the power was a precaution against a major outage that could affect thousands of people just as overnight temperatures dip well below freezing, he said.
Once incident commanders “have a better handle on the extent of damage to the road and the duration of the closure, we will have a better handle on how long the group of customers will be without power,” Sasse said.
Emergency shelters were set up on both sides of the slide — at the Nile Valley Community Church and Naches Valley High School.
Among those evacuated were 12 boys who live at the Flying H Ranch, a Christian residential program for troubled boys, situated south of the Nile Loop Road off State Route 410.
Chris Rodriguez, a counselor at the ranch, described the slide: “It was like a knife had cut through the hill and moved everything to the side.”
Some ranch employees who stayed behind after the evacuation reported some ranch buildings being threatened by water from the Naches River.
As the boys unloaded from a van at Naches Valley High School, a dazed-looking family wandered into the parking lot.
“Our house got hit,” said a woman in the family, before making her way into the school to speak with American Red Cross volunteers. “We knew we were going to get hit — we’re right up against the hill.”
Citing safety concerns, authorities cut all access for the general public to the damaged area from the Yakima side.
Emergency personnel and residents attempting to leave the area are using Bethel Ridge Road, a gravel road that connects the Nile area to U.S. Highway 12 to the south.
Transportation officials closed a 47-mile stretch of State Route 410 — from Mount Rainier National Park’s Lake Tipsoo to its junction with U.S. Highway 12 at the Y west of Naches.
Emergency personnel described the landslide as a “heaving, moving mass” that pushed chunks of earth and pavement into the Naches River, damming its width.
“The slumping of the hillside and the uplifting of the valley floor continues,” DOT regional administrator Don Whitehouse said in a news release after 4 p.m. Sunday. “It will take several weeks before we can have a new roadway constructed and ready for traffic.”
Initial signs that something was happening on the hillside began around 2 p.m. Saturday, when it began moving, said McFadden, the DOT spokeswoman.
A Nile Fire Department firefighter, Assistant Chief Steve Smith, noticed heaving in the driveway that leads to his home near the slide, officials said. Concerned about the movement, Smith left his home Saturday.
The home was engulfed in the slide Sunday morning.
The ground under a second home in the area collapsed, destroying the structure.
Several other homes have been damaged as water from the Naches River found its way around the blockage through private property and back into the river channel, said Robert Cunningham, a Bureau of Reclamation foreman who surveyed the area late Sunday morning.
“The water is not backing up. It has rediverted over the Nile River Road and is taking its own course around the slide,” he said.
• Melissa Sánchez can be reached at 509-577-7675 msanchez@yakimaherald.com.
• David Lester can be reached at 509-577-7674 or dlester@yakimaherald.com.
Here is a view of the area from before the slide:
http://tinyurl.com/nileslide
Where is Yakima County Emergancy Management and the County Public Works Department? It took almost 8 hours for this information to get to people affected and then it came from the State Patrol. As of two hours ago the Red Cross was still waiting to be contacted by County Emergancy Management.... Seems like the County is asleep at the wheel, let us hope they wake up on Monday morning.
Report ViolationWSDOT has a new source for fill rock, should be good for a billion yards. So much for hunting season. When will Chinook pass be open so the locals can go over?
Report ViolationMonday is a holiday, they can't pay OT.
Report ViolationFrom the aerial photos, I would say they are going to need to build a completely new highway on the other side of the river with a few access bridges to bypass the slide area....
Cleaning up the side will be extremely dangerous and next to impossible considering the geology of the situation.
Is there any way to get to Whistlin Jacks from the Naches side of this slide?
Report ViolationThere were a bunch of us camping at little naches, we thought we'd just take Cayuse Pass but as we got to the turnoff, lo and behold it was also closed off due to construction. Wonderful. We ended up having to go all the way to Auburn [at the suggestion of the rangers there] and up 18 and back down 90 to get back home.
Report ViolationMoonbaby, as far as I know, the only way around is this dirt road they're are talking about. I only heard about that this morning upon reading the articles. Other than that I assume that those up there are cut off from Yakima and visa-versa.
Report ViolationMonday is NOT a holiday, the county is open today, AND the county commissioners signed an emergency proclamation for this. And not only that, one of the commissioners was up at the site this morning. People are so judgemental, it is ridiculous.
Report Violationhttp://www.yakima-herald.com/stories/2009/10/12/officials-pondering-options-for-reopening-state-route-410-in-wake-of-landslide
Go check your facts before you start bashing people
JohnSinnar is right and his analysis is the same as mine.
It would be extremely dangerous to remove the debris and build a new roadway in the damaged roadway site. The contractor could easily have more of the mountain fall on his operation.
Highway 410 is a state route.
I am sure the state will build a temporary bridge across the river and divert traffic to the east side of the river until construction is finalized. That will take weeks.
Personally, I believe the Washington State engineers will do a great job with capable help from the Yakima County engineers.
Go for it guys !! We are behind you !!!
I've been up Rd 1500 and over but that comes out at the Woodshed on the Nile Loop road. The paper says there's water over the Nile Loop road. Also, are they stopping people from coming from the West side to hunt in the Little Naches area?? Anyone know any of this?? Thanks.
Report ViolationIn Feb of 2009, I heard; " There is a great shaking coming to the N.W. " I believe this is the begining of that Word. Also, I am a advid earthquake watcher and it still blow my mind about how many earthquakes we have here in Wa State! Irs coming.. and this is only the beginning.
Report ViolationThis is when the State should step up and get the National Guard to fly in military generators to serve those 800 people without power - we have all those great cargo helicopters that could easily do the trick.
Since those without power have no way of communicating and no voice, contacting the Governors Office may help, as I am doing. It sure would be great to see our armed forces helping out!
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