Table 3: Appraisal rating of bridges according to Dr.
Dr
|
Appraisal Rating |
Technical Condition |
Dr≥88 |
Level I |
Good condition(no problems or some minor problems) |
88> Dr≥60 |
Level II |
Satisfactory condition (structural elements show some minor deterioration) |
60> Dr ≥40 |
Level III |
Poor condition (advanced section loss, deterioration or scour) |
40> Dr
|
Level IV |
Serious condition (deterioration has seriously affected primary structural components) |
40> Dr * |
Level V |
“Imminent” failure condition (bridge closed) |
*Note: Levels IV and V are further separated by the technical condition.