ABSTRACT
ABSTRACT: Assessment of direct and indirect losses to an urban region due to an earthquake event requires modelling many aspects of the buildings and infrastructure in the region, including a transportation network. Specifically, the propagation of hazard to different spatial locations, the vulnerability of different transportation network components, network traffic behaviour, and the economic losses due to the damages incurred to the network need to be modelled. A critical aspect of such large-scale simulations is the accurate determination of the vulnerability of individual bridges, as these are critical to maintaining flows of goods, people, and services. The vulnerability of bridges can be categorized either in terms of physical damage to the structures, or as estimates of the repair cost required to return the bridge to a previous level of functionality.
