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How to Read a Pavement Condition Index (PCI) Score

A guide to understanding PCI scores in Phygii's parking lot assessments.

What is a PCI Score?

A Pavement Condition Index (PCI) score is a standardized rating of a parking lot's surface condition. Scores range from 0 to 100, where 100 represents a perfect, undamaged surface and 0 represents complete failure. The PCI scale follows the ASTM D6433 industry standard, which is widely used in facilities and pavement management.

PCI Rating Categories

Here is how to interpret a PCI score:

  • Good (85–100) — The surface is in excellent condition with minimal or no distress.
  • Satisfactory (70–84) — The surface is in good shape with minor defects that do not require immediate action.
  • Fair (55–69) — Moderate deterioration is present. Preventive maintenance should be considered.
  • Poor (40–54) — Significant distress is visible. Maintenance or repair is recommended.
  • Very Poor (25–39) — Extensive damage. Rehabilitation should be planned.
  • Serious (10–24) — Severe distress throughout. Major reconstruction may be needed.
  • Failed (0–9) — The surface has failed and requires immediate reconstruction.

Using PCI Scores to Prioritize Maintenance

PCI scores are most useful when you compare them across your portfolio. A location with a score in the Poor or Very Poor range should be prioritized for maintenance planning. Locations in the Good or Satisfactory range may only need routine monitoring.

Phygii displays the PCI score on the assessment results page and shows a color-coded heatmap on the map so you can see which areas of a parking lot are in the worst condition.