hikeaz wrote:This is the second time in less than 5 years that that retaining wall has needed repair/replacement after it failed.
Over time, water will find its way downhill... period. If it cannot proceed OVER or THROUGH the retaining wall it will go UNDER or AROUND it, moving dirt, etc. as it does. I would offer that, potentially, subterranean water undercut the roadway either before or after the retaining wall failure.
nonot wrote:Looking at some of the photos, I'm not sure if it was caused by the retaining walls. They probably didn't help...but the main fault appeared to be about a hundred feet uphill above the retain wall. The wall fell because all of the earth within a few hundred yards of it decided to migrate south for the summer.
I submit this is AZ's response to the evacuating snowbirds heading north, and that it had to restore the balance
SuperstitionGuy wrote:With the increasing traffic on Interstate 17 and on State Route 87 maybe it's time for the State to consider a four lane divided highway going north from the valley between these two routes. Leave from Cave Creek or Fountain Hills maybe? This would greatly increase the safety and route options for everyone...
azpride wrote:SuperstitionGuy wrote:With the increasing traffic on Interstate 17 and on State Route 87 maybe it's time for the State to consider a four lane divided highway going north from the valley between these two routes. Leave from Cave Creek or Fountain Hills maybe? This would greatly increase the safety and route options for everyone...
Somewhere on the Arizona Department of Transportation website they have a pdf file with a map of AZ and the potential freeways they want to build. I downloaded it a while back and have since deleted it, but I remember one option was parallel with the I-17, up through Black Canyon, west of Black Canyon City. Pretty interesting to look over.
Tortoise Hiker wrote:I went up the beeline this morning around 4:30 and came back down around 2:00. It only added a couple minutes to my time.Comming down the one lane is a uphill section so if you were behind someone slow it might cost you a few more minutes.
Associated Press - May 16, 2008 3:34 PM ET
PHOENIX (AP) - All four lanes of State Route 87 will be reopened Tuesday south of Payson following repairs to damage caused by a landslide two months ago.
However, the Arizona Department of Transportation will need to close the highway from 8 p.m. Monday until 6 a.m. Tuesday to allow crews to remove barricades and sweep the roadway.
The highway, which is the main route between the Phoenix area and Payson, was shut down March 21 following a landslide that caused sections of the southbound lanes to buckle and shift.
The highway was reopened March 27th with one lane in each direction while construction crews made repairs.
ADOT would also like to update motorists on another project farther south on SR 87. The new traffic interchange at the intersection of SR 87 and the Bush Highway is nearing completion. Final paving and striping is scheduled to be completed by Aug. 8.
Construction started in September 2007 and was originally scheduled to take 18 months to complete.
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