On 2/11/2021 3:24 PM, Jim Nichols wrote:
Is it even stable enough to support a bridge?
It's not large enough to require a bridge. Long sections of Hwy 1 are in extremely rugged terrain. Landslides and
washouts are common. Many far larger and in more difficult locations than this one. CalTrans has a number of solutions,
some really impressive. They finally tunneled through a mountain to bypass Devil's Slide.
In creating the highway, they built the famous Bixby Bridge.
<https://en.wikipedia.org/wiki/Bixby_Creek_Bridge>
Many clones have been built since. Here's the one at Russian Gulch, just above Mendocino, from below/behind.
<http://galleries.moosemystic.net/MooseFoto/index.php?gallery=California/Marin%2C_Sonoma%2C_Mendocino_Coast/Mendocino&image=_1000431corcroofm.jpg>
And from the ocean side.
<http://galleries.moosemystic.net/MooseFoto/index.php?gallery=California/Marin%2C_Sonoma%2C_Mendocino_Coast/Mendocino&image=_B006943%20-%20_B006948_Huginoofm.jpg>
Here, I wouldn't be surprised if they mostly just cut away more hillside and relocate inland a ways. they also have
techniques for building out over unstable areas for the outside of the pavement.
I suspect from reading that this one was a result of inadequate maintenance and clearing of culverts. Anyway, in
context, it's pretty minor mechanically and with minimal impact on residents and businesses, because of location.
Building Bridges Moose
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