Table 2 Summary of visual inspection on the surface of the pilot bridge.
Lane | Types of deterioration | Rating | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Longitudinal cracks | Transverse cracks | Efflorescence | Patching | Pothole | ||||||||
Quantity | Length (m) | Quantity | Length (m) | Quantity | Area (m2) | Quantity | Area (m2) | Quantity | Area (m2) | Damaged ratio (%) | Grade | |
1st | 407 | 443.6 | 136 | 102.9 | 0 | 0.0 | 2 | 4.8 | 7 | 0.4 | 31.1 | e |
2nd | 179 | 212.7 | 65 | 40.1 | 16 | 2.3 | 10 | 77.1 | 7 | 0.4 | 28.8 | e |
Shoulder | 79 | 174.5 | 21 | 19.3 | 4 | 1.1 | 1 | 0.2 | 7 | 0.9 | 13.4 | d |
Total | 665 | 830.8 | 222 | 162.3 | 20 | 3.4 | 13 | 82.1 | 21 | 1.7 | 25.1 | e |