| Critical Duration Estimation Accuracy Factors | |
|---|---|
| Project type (x1) | Number of bridges (x27) |
| Project complexity (x2) | Contractor's experience (x31) |
| Project area location (x3) | ROW acquisition costs (x32) |
| Project size (x6) | Weather condition (x35) |
| Site topography (x11) | Soil type (x36) |
| Bridge type and complexity (x26) | Total project cost (x43) |