A Flexible Bridge Rating Method Based on Analytical Evidential Reasoning and Monte Carlo Simulation

Table 8

Basic probability masses of the abutments elements considering the various assessment grades.

Substructure component	Grade/basic probability mass
	Poor	Fair	Good	Excellent
	Bearing seats	0.008	0.020	0.012				0	0.960	0.960	0
Backwall	0.099	0.132	0.099	0	0.670	0.670	0
Wingwalls	0.165	0.099	0.066	0	0.670	0.670	0
Piles	0	0.120	0.030	0	0.850	0.850	0
Footing	0.015	0.105	0.030	0	0.850	0.850	0