Deterioration Prediction of Urban Bridges on Network Level Using Markov-Chain Model

Table 2

Data profiles of bridge records in Shanghai BMS (2004–2013).

Year	Bridge quantity
	Concrete girder	Arch	Steel	Truss	Combined system	Others	Total
2004	894	129	23	19	26	0	1091
2005	1139	140	9	14	13	42	1357
2006	1241	138	8	10	11	39	1447
2007	1274	142	8	10	11	41	1486
2008	1404	152	4	9	10	29	1608
2009	1381	145	10	9	9	36	1590
2010	1476	142	9	11	9	39	1686
2011	1521	136	8	11	9	44	1729
2012	1571	121	7	9	0	48	1756
2013	1639	86	10	9	0	57	1801