Bridge Condition Assessment Using 𝐷 Numbers

Table 4

Integration of the assessment results for bottom factors.

Bridge factors (relative weights)	Bridge 1	Bridge 2	Bridge 3
Deck (1/3)
Wearing surface (0.15)	5.0	2.4	4.3
Sidewalk (0.125)	5.8	4.2	3.0
Deck topside (0.25)	4.5	3.3	4.2
Deck underside (0.20)	4.2	4.8	3.6
Curbs (0.125)	5.0	3.9	4.0
Expansion joints (0.15)	5.0	4.0	3.2
Superstructure (1/3)
Stringers (0.25)	5.2	4.3	3.1
Floorbeams (0.25)	3.6	4.4	4.0
Floor system bracing (0.125)	4.0	3.2	3.2
Girders (0.25)	4.6	2.7	3.6
Bearing devices (0.125)	5.4	4.5	5.7
Substructure (1/3)
Abutments (1/2)
Bearing seats (0.1)	4.5	3.6
Backwall (0.25)	5.0	4.2	4.0
Wingwalls (0.25)	4.6	3.3	4.0
Piles (0.2)	3.8	4.6	3.2
Footing (0.2)	4.1	3.9	3.5
Piers (1/2)
Piles (0.3)	4.5	4.0	5.0
Footing (0.3)	3.1	4.0	4.8
Columns (0.2)	5.4	5.0	4.5
Cap (0.2)	4.7	4.2	3.6