Bridge Condition Assessment Using 𝐷 Numbers

Table 5

Weighing aggregation on subfactors.

Bridge factors (relative weights)	Bridge 1	Bridge 2	Bridge 3
Deck (1/3)
Wearing surface	0.75	0.36	0.645
Sidewalk	0.725	0.525	0.375
Deck topside	1.125	0.825	1.05
Deck underside	0.84	0.96	0.72
Curbs	0.625	0.4875	0.5
Expansion joints	0.75	0.6	0.48
Superstructure (1/3)
Stringers	1.3	1.075	0.775
Floorbeams	0.9	1.1	1.0
Floor system bracing	0.5	0.4	0.4
Girders	1.15	0.675	0.9
Bearing devices	0.675	0.5625	0.7125
Substructure (1/3)
Abutments (1/2)
Bearing seats	0.45	0.36
Backwall	1.25	1.05	1.0
Wingwalls	1.15	0.825	1.0
Piles	0.76	0.92	0.64
Footing	0.82	0.78	0.7
Piers (1/2)
Piles	1.35	1.2	1.5
Footing	0.93	1.2	1.44
Columns	1.08	1.0	0.9
Cap	0.94	0.84	0.72