Table 1: Deficit condition evaluation method for bridge elements

Defect Condition and Scale			Composite Scale
Defect degree		Degree	small→large
			less→more
			slight→serious
		Scale		0	1	2
Influence degree on structural function	Non	0		0	1	2
	Small	+1		1	2	3
	Large	+2		2	3	4
Composite scale of the two above-mentioned indicators				0	1	2	3	4
Development or change of the defect	Non	-1			0	1	2	3
	Slow	0			1	2	3	4
	Rapid	+1		1	2	3	4	5
Deficit condition of the bridge element(Ri)			0	1	2	3	4	5
			level 1		level 2	level 3	level 4	level 5