Pavement Condition Index PCI Pavement Condition Rating

44 Pavement Condition Rating Pavement Condition Index Excellent 86-100 Very Good 71-85 Good 56-70 Fair 41-55 Poor 26-40 Very Poor 11-25 Failed 0-10 The PCI is a quick method of comparing the overall condition of pavement and magnitude of rehabilitation needs. The following figure shows how pavement condition typically deteriorates over time. The new pavement holds its good condition for a long period, but once it begins to fail; its condition drops rapidly Weil, 2009. Figure 2.19 Relationship between pavement condition and time U.S DOT, 2009.

2.4.3 Definition Pavement Condition

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a. Excellent

Pavement is new construction .Nothing would improve the roadway at this time.

b. Very Good

Pavement structure is stable, with no cracking, no patching, and no deformation evident. Roadways in this category are usually fairly new. Riding qualities are excellent. Nothing would improve the roadway at this time.

c. Good

Pavement structure is stable, little cracking and no deformation evident. Little maintenance would improve the roadway at this time.

d. Fair

Pavement structure is generally stable with minor areas of structural weakness evident. Cracking is easier to detect. The pavement may be patched but not excessively. Although riding qualities are good, deformation is more pronounced and easily noticed.

e. Poor

Areas of instability, marked evidence of structural deficiency, large crack patterns alligator heavy and numerous patches, deformation very noticeable. Riding qualities range from acceptable to poor.

f. Very Poor

Pavement is in extremely deteriorated condition. Numerous areas of instability. Majority of section is showing structural deficiency. Riding quality is unacceptable probably should slow down.

g. Failed

Pavement structure is failed, with cracking and deformation evident. Roadways in this category are usually failed. Reconstruction at this time Bashir, 2006.