Pavement Condition Index (PCI): Score Your Pavement 0-100

Quick Verdict

The Pavement Condition Index, or PCI, is a 0 to 100 score that rates the health of an asphalt surface based on the type, severity, and amount of distress it shows. A score of 100 is a brand-new lot; a score under 40 is a lot near the end of its life. The PCI method comes from the ASTM D6433 standard, and its real value is that it converts a subjective "this lot looks rough" into a number that ties directly to a recommended action — seal, overlay, or replace. This guide explains how the score is built, what each range means, and how Oregon property owners can use it to budget pavement work instead of guessing.

What a PCI Score Actually Measures

PCI is not a single measurement like thickness or roughness. It is a calculated score that weighs three things together:

• Type of distress. Alligator cracking counts far more against the score than a hairline transverse crack, because it signals base failure.
• Severity of distress. Each defect is rated low, medium, or high. A high-severity pothole hurts the score more than a low-severity one.
• Amount of distress. How much of the surveyed area shows the problem — measured as a density.

An inspector walks defined sample units, logs every distress with its type, severity, and quantity, then the method subtracts "deduct values" from a perfect 100 based on how bad each finding is. The result is one number that summarizes the whole picture. Getting the distress identification right is the foundation of the whole score, which is why our identify your crack type guide and the pavement distress diagnosis guide pair so closely with PCI.

The PCI Scale, Range by Range

Here is what each band of the 0 to 100 scale means in plain terms and what it usually calls for.

PCI Range	Rating	What it means	Typical action
85–100	Good	Like-new, minimal distress	Preventive maintenance — seal, protect
70–85	Satisfactory	Minor cracking, early aging	Crack seal, minor patch
55–70	Fair	Moderate distress, surface aging	Overlay if base is sound
40–55	Poor	Significant distress, some base involvement	Major rehab — full-depth repair + overlay
25–40	Very Poor	Widespread failure	Replacement usually rational
0–25	Failed	End of service life	Reconstruction

The single most useful thing about this scale is the cliff: pavement loses condition slowly at first, then quickly. A lot that drifts from 70 to 55 over several years can drop from 55 to 30 in just a couple, because once water reaches the base, failure accelerates. Catching a lot before it falls off that cliff is where PCI saves real money.

How PCI Drives the Maintenance Decision

The whole point of a PCI score is to match the right treatment to the right condition at the right time — what the industry calls pavement management. The principle is that a dollar spent on preventive maintenance early saves several dollars in rehabilitation later.

• High PCI (good): Keep it there cheaply. Seal coat and crack seal protect a sound surface for pennies compared to rebuilding it.
• Mid PCI (fair): This is the overlay window. An overlay on a structurally sound lot in the 55 to 70 range resets the surface for years at a fraction of replacement cost.
• Low PCI (poor to failed): The base is compromised. Surface treatments will not hold, and the money belongs in full-depth repair or replacement.

If your score lands you in the gray zone between overlay and replacement, our repair vs. replace decision guide walks through the crossover.

Why PCI Matters More in Oregon

Oregon's climate makes the PCI cliff steeper, so monitoring the score is more valuable here than in drier states:

• Wet season saturation. Months of rain push water into the base through every open crack, which is exactly what drives a fair lot toward poor in a single winter.
• Clay sub-grade. Willamette Valley clay holds water and moves seasonally, accelerating distress once water gets in.
• Freeze-thaw east of the Cascades. In Bend, Hood River, and the Gorge, freezing water breaks the structure down faster, so PCI drops more sharply.
• Short paving window. With work limited to roughly May through October, a lot that crosses the cliff in November has to survive a full winter before it can be fixed — and that winter often costs it more points.

A PCI survey timed before the wet season tells you whether your lot can wait or needs to be on the schedule now.

What a PCI Survey Costs to Plan Around

Industry Baseline Range: a professional PCI condition survey commonly runs in the range of a few cents to a couple of dollars per square foot+ depending on lot size and detail level, far less than the repairs it helps you time correctly. These are industry baseline ranges for planning only — actual pricing depends on lot size, access, condition, and current market conditions. Get a site-specific quote.

Current Market Reality

With material costs tracking the asphalt index and Oregon crews booking out across a short season, the value of a PCI survey is timing. Scoring your lot lets you schedule an overlay while it still pays off, instead of discovering you missed the window and now face replacement. For a property with multiple lots or a long driveway, a PCI-based plan turns reactive emergency spending into predictable budgeting.

The Bottom Line

A PCI score turns the condition of your pavement into a single number from 0 to 100, and that number points straight at the right action — seal, overlay, or replace. The score loses ground slowly and then all at once, especially in Oregon's wet, freezing, clay-heavy environment, so knowing where your lot sits on the scale is the key to spending at the right time. Cojo provides pavement evaluations and asphalt repair services across the Willamette Valley and statewide Oregon. Request an assessment and we will score your pavement and tell you what it needs.