Research Article
Prediction of Bridge Component Ratings Using Ordinal Logistic Regression Model
Table 9
Bridge condition measures required by MAP-21 comparison results.
| | | Deck | Superstructure | Substructure | Overall | | Good | Poor | Good | Poor | Good | Poor | Good | Poor |
| | 2012 Observed | 48.14% | 3.14% | 70.38% | 3.58% | 54.26% | 11.84% | 44.82% | 1.87% |
| | 2012 Estimate (Multilinear Regression Model) | 60.85% | 0.00% | 81.71% | 0.00% | 62.89% | 0.90% | 54.42% | 0.00% |
| | 2012 Estimate (Ordinal Model) | 51.32% | 1.10% | 73.65% | 0.53% | 61.95% | 2.67% | 48.94% | 0.42% |
| | 2013 Observed | 47.07% | 3.11% | 69.58% | 3.51% | 52.56% | 12.07% | 44.48% | 2.04% |
| | 2013 Estimate (Multilinear Regression Model) | 58.38% | 0.00% | 80.68% | 0.00% | 62.39% | 2.24% | 54.79% | 0.00% |
| | 2013 Estimate (Ordinal Model) | 49.98% | 0.13% | 73.72% | 0.27% | 60.22% | 5.32% | 49.11% | 0.13% |
| | 2014 Observed | 45.14% | 3.21% | 68.37% | 3.18% | 51.55% | 11.63% | 43.05% | 1.75% |
| | 2014 Estimate (Multilinear Regression Model) | 57.14% | 0.00% | 80.17% | 0.00% | 61.38% | 1.6% | 54.49% | 0.00% |
| | 2014 Estimate (Ordinal Model) | 48.85% | 0.10% | 72.99% | 0.50% | 59.59% | 5.15% | 48.27% | 0.09% |
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