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Options to Address the Route 79 slide near Ashburn

News Release - May 21, 2010 Give and Take - Bridge Projects Rescheduled So Route 79 Slide Can Be Repaired


handoutHandout for public hearing

(click to enlarge)

progression of slideThe progression of the slide

 (click picture to enlarge)

Below are the options MoDOT is presenting.  The "preferred option" is to relocate Route 79 to the Salt River Bottoms, although no specific option (C1 or C2) is recommended.  If you have questions about the project, please contact MoDOT Transportation Project Manager Chris Knapp at christopher.knapp@modot.mo.gov or by calling 573-248-2586.

Option A

option a 

 Repair slides along Route 79

 Estimated cost $1.5 million

 (click picture to enlarge)

Option B

option b  

 Relocate Route 79 over bluff

 Estimated cost greater than $9 million

 (click picture to enlarge)

Option C1

c1

 Relocate Route 79 to Salt River Bottoms,

 longer route (1.2 miles)

 Estimate cost $2.9 million

 (click picture to enlarge)

Option C2

c2 option 

 Relocate  Route 79 to Salt River Bottoms,

 shorter route (0.9 miles)

 Estimated cost $3.1 million

 (click picture to enlarge)

For options C1 and C2 an extensive study of the Salt River Basin was conducted. The elevation of the proposed highway in the floodplain has been raised above the water levels regularly experienced on this section of the river.  However, if extreme flood events similar to those of August 2008 occur again the roadway will likely flood.

 

 

 

 

 

 

 

 

 

 

 

 

 

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