Table 2.

The railway bridges of the case study

ID	Length (m)	Number of spans $n_s$	Channel width (m)	Plan area (m2)	Replacement cost (USD)	Structural typology	Scour-prone spans $n_k$	Scour fragility factor $f_k$[*]
1	893.83	26	891.50	4469.14	13,407,420	I	17	0.654
2	50.02	5	39.72	250.08	750,240	II	3	0.600
3	163.48	16	127.36	817.39	2,452,170	I	16	1.000
4	118.72	13	16.05	593.61	1,780,830	I	4	0.308
5	320.47	5	288.30	1602.36	4,807,080	I	3	0.600
6	153.90	11	144.68	769.52	2,308,560	I	9	0.818
7	97.53	13	45.44	487.63	1,462,890	I	9	0.692
8	120.95	10	97.65	604.76	1,814,280	I	9	0.900
9	159.76	32	82.06	798.79	2,396,370	I	14	0.438
10	151.57	18	73.73	757.83	2,273,490	I	8	0.444
11	112.53	15	25.39	562.65	1,687,950	I	15	1.000
12	525.34	56	413.12	2626.71	7,880,130	I	44	0.786
13	85.03	3	63.81	425.13	1,275,390	I	3	1.000
14	75.16	2	68.44	375.80	1,127,400	I	0	0.000
15	84.67	12	72.71	423.37	1,270,110	I	12	1.000
16	67.92	11	34.12	339.61	1,018,830	I	10	0.909
17	82.52	11	60.81	412.61	1,237,830	II	9	0.818
18	43.21	9	31.67	216.06	648,180	I	7	0.778
19	97.53	13	83.32	487.63	1,462,890	I	13	1.000

[*] $f_k=n_k/n_s$. See Supplementary Note 1 for more details on $f_k$.