Table 1.

Restoration model parameters for three-span bridges and embankments

Failure mode	Damage State (DS)	Idle time $T_c^i$ (days)		Repair time $T_c^r$ (days)		Cost ratio $d_c$
		Mean	SD	Mean	SD	Mean	SD
Bridge scour with shallow foundation41	Minor	8.5	4.3	27.0	5.4	0.046	0.039
	Moderate	10.5	4.7	115.0	23.0	0.124	0.067
	Extensive	13.6	5.7	133.0	26.6	0.250	0.085
	Complete	22.2	14.7	197.0	39.4	0.520	0.100
Bridge scour with deep foundation41	Minor	9.8	5.5	27.0	5.4	0.060	0.025
	Moderate	12.8	5.8	138.0	27.6	0.154	0.067
	Extensive	18.0	11.1	152.0	30.4	0.304	0.117
	Complete	28.0	22.4	197.0	39.4	0.580	0.171
Bridge deck unseating41	Failed (span)	84.0	67.2	109.8	69.6	$n_f/n_s$[*]	-
Embankment scour failure40	Minor	1.0	0.5	6.7	3.4	0.09	0.07
	Moderate	1.2	0.6	8.4	4.2	0.19	0.13
	Extensive	2.8	2.4	13.3	6.6	0.49	0.25
	Complete	5.9	6.1	25.1	12.5	0.83	0.22

[*] $n_f$=number of failed spans, $n_s$=number of spans.