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

Table 5

Transition probabilities for bridge deck system under natural decay.

Year	𝑝55	𝑝44	𝑝33	𝑝22
2004-2005	0.782	0.563	0.614	0.755
2005-2006	0.886	0.699	0.799	0.905
2006-2007	0.884	0.687	0.710	0.805
2007-2008	0.861	0.662	0.857	0.828
2008-2009	0.843	0.593	0.712	0.963
2009-2010	0.820	0.667	0.847	0.902
2010-2011	0.902	0.676	0.861	0.920
2011-2012	0.901	0.660	0.808	0.919
2012-2013	0.763	0.640	0.765	0.667