IMPACT OF PAVEMENT TYPE ON COUNTY ROAD SYSTEMS

A study of three representative counties in Iowa, of equal size and approximately equal paved mileage, was conducted to evaluate the pavement selection policies employed by each government. The sample counties utilized asphaltic concrete, portland cement concrete, or a combination of the two surface types to meet paved system needs. Visual distress surveys were conducted in each county to measure the current condition of each mile of paved roadway. The results were compared using the MICRO PAVER pavement management system to develop pavement condition index values for each mile of paved surface. Historical pavement mileage, maintenance costs, and construction cost data was collected in each county by surface type for the period of 1955 through 1993. The results of this study indicate that the decision to use portland cement concrete as the surface of choice for new pavement construction and whitetopping of existing pavements resulted in improved performance. The data indicate that this decision results in decreased unit construction and maintenance costs when placed on an annual cost basis over the life of the pavement.

  • Corporate Authors:

    Portland Cement Association

    5420 Old Orchard Road
    Skokie, IL  United States  60077
  • Authors:
    • Cable, J K
  • Publication Date: 1996

Language

  • English

Media Info

  • Features: Figures; References; Tables;
  • Pagination: 27 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00723589
  • Record Type: Publication
  • Report/Paper Numbers: PCA R&D Serial No. 2048
  • Files: TRIS
  • Created Date: Jul 25 1996 12:00AM