System-Level Seismic Risk Assessment of Bridge Transportation Networks Employing Probabilistic Seismic Hazard Analysis

Table 4

Damage states and associated flow capacities.

Damage states	Description	Flow capacities (%)
No	—	100
Slight	Any column experiencing minor cracking	75
Moderate	Any column experiencing moderate cracking	50
Extensive	Any column degrading without collapse	25
Complete	Any column collapsing and connection	0