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

Table 6

Transition probabilities for superstructure under natural decay.

Year	𝑝55	𝑝44	𝑝33	𝑝22
2004-2005	0.949	0.828	0.727	0.857
2005-2006	0.964	0.872	0.818	0.813
2006-2007	0.921	0.730	0.750	0.818
2007-2008	0.938	0.896	1.000	0.846
2008-2009	0.952	0.842	0.786	1.000
2009-2010	0.961	0.712	0.789	0.909
2010-2011	0.927	0.698	0.500	0.647
2011-2012	0.955	0.778	0.952	0.833
2012-2013	0.854	0.702	0.849	0.692