Highway 20, BC - Closed
Highway 20, west of Williams Lake is closed until at least this weekend due to a major washout. There is a long and dusty detour in effect over some old logging roads. Certainly doable in an RV as lon...
Forum Discussion
From google maps, I think the washout is a km up from the bridge:
https://goo.gl/maps/RRwSEBnQ33n
streeview is available. At this point the highway has climbed onto the first bench above the river.
Culvert plus fill can fail completely if the culvert get's clogged, the water ponds and then finds its own way through the fill.
Years ago, on the way back from Bella Coola I turned off of 20 before this grade (Riske Ck), and drove south to Gang Ranch and across the Churn Creek suspension bridge. That was long 90 mile gravel and dirt short cut. And this was a cute-ute, not a big RV.
The Williams Lake Tribune has drone footage of the washout. The embankment just downstream from the road is still sloughing. I
http://www.wltribune.com/
http://www.wltribune.com/news/overnight-highway-20-washout-closes-highway-sends-one-to-hospital/
It's interesting that there's little displacement or erosion among the trees and brush above road. The washout is entirely within the road fill and ravine sides downstream from there.
Last year there was a washout and sinkhole on us101 in Brookings OR. It was caused by a damaged culvert. It affected 101, a parkinglot and frontage road.
https://youtu.be/TR8FrGqx2kQ
https://goo.gl/maps/RRwSEBnQ33n
streeview is available. At this point the highway has climbed onto the first bench above the river.
Culvert plus fill can fail completely if the culvert get's clogged, the water ponds and then finds its own way through the fill.
Years ago, on the way back from Bella Coola I turned off of 20 before this grade (Riske Ck), and drove south to Gang Ranch and across the Churn Creek suspension bridge. That was long 90 mile gravel and dirt short cut. And this was a cute-ute, not a big RV.
The Williams Lake Tribune has drone footage of the washout. The embankment just downstream from the road is still sloughing. I
http://www.wltribune.com/
http://www.wltribune.com/news/overnight-highway-20-washout-closes-highway-sends-one-to-hospital/
It's interesting that there's little displacement or erosion among the trees and brush above road. The washout is entirely within the road fill and ravine sides downstream from there.
Last year there was a washout and sinkhole on us101 in Brookings OR. It was caused by a damaged culvert. It affected 101, a parkinglot and frontage road.
https://youtu.be/TR8FrGqx2kQ
