The American Road & Transportation Builders Association
Latest
AASHTO HDG CHAPTER 14-2007
Replace
AASHTO HDG VOL XIV-1999
Scope
Drainage facilities, like all other elements of the highway system, deteriorate and decay due to the
persistent forces of nature. Processes such as abrasion, corrosion, and erosion can lead to structural
deficiencies and shorten the anticipated service
AASHTO HDG CHAPTER 14-2007 history
2007AASHTO HDG CHAPTER 14-2007 CULVERT INSPECTION, MATERIAL SELECTION, AND REHABILITATION GUIDELINE 4th edition