15 March 2001
Frequently Occurring Problems
in Pavement Distress Identification
Distress in Jointed Rigid Pavements
1. Low-severity scaling (i.e.,
Count only if probable future
scaling will occur within 2 to 3
2. Joint seal damage.
This is not counted on a
A severity level based on the
overall condition of the joint seal
in the sample unit is assigned.
3. Joint spall small enough to be
Do not record.
filled during a joint seal repair.
4. Medium- or high-severity
No other distress should be
intersecting crack (shattered
5. Corner or joint spalling caused
If spalls are caused by factors
by "D" cracking.
each factor separately.
6. Crack repaired by a narrow
Record only crack and not patch
patch (e.g., 4 to 10 in. wide).
at appropriate severity level.
7. Original distress of patch more
Original distress type should be
If, for example, patch material is
severe than patch itself.
present on scaled area of slab,
only the scaling is counted.