| Critical factors | Principal components | ||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |
| Bridge type and complexity | 0.916 | ||||
| Number of bridges in the project scope | 0.872 | ||||
| Weather condition | 0.761 | ||||
| Contractor's experience | 0.721 | ||||
| ROW acquisition costs | 0.713 | ||||
| Project complexity | 0.805 | ||||
| Project type | 0.793 | ||||
| Project size | 0.623 | ||||
| Soil type at the construction site | 0.737 | ||||
| Site topography/terrain type | 0.711 | ||||
| Total project cost | -0.439 | ||||
| Project area location | 0.812 | ||||
| Eigenvalues | 3.167 | 2.047 | 1.161 | 1.030 | 1.014 |
| Variance (%) | 16.673 | 15.804 | 15.308 | 12.532 | 9.840 |
| Cumulative variance (%) | 16.673 | 32.477 | 47.785 | 60.317 | 70.157 |
| Extraction Method: Principal Component Analysis. Rotation Method: Varimax with Kaiser Normalization. a. Rotation converged in 6 iterations. | |||||