Cavalcante, Gustavo Henrique FerreiraPereira, Eduardo Marques VieiraRodrigues, Isabela DurciVieira Júnior, Luiz Carlos MarcosPadgett, Jamie EllenSiqueira, Gustavo Henrique2022-09-082022-09-082022Cavalcante, Gustavo Henrique Ferreira, Pereira, Eduardo Marques Vieira, Rodrigues, Isabela Durci, et al.. "Seismic fragility assessment of typical bridges in Northeastern Brazil." <i>Latin American Journal of Solids and Structures,</i> 19, (2022) SciELO: https://doi.org/10.1590/1679-78257062.https://hdl.handle.net/1911/113190This paper presents a seismic fragility assessment of bridges commonly found in Northeastern Brazil. A generic three-dimensional nonlinear finite-element model is generated in OpenSees to enable variation of geometric features and component modeling. A parametric analysis is performed to evaluate the impact of the geometric and physical variations of the bridge inventory on the seismic behavior of the structures. Nonlinear time-history analyses using four sets of natural earthquake records are performed to obtain the Probabilistic Seismic Demand Model for the bridges. Capacity models are adopted according to previous studies to be combined with demand models to generate fragility functions. This article helps the decision markers to predict the seismic behavior of typical bridges in Northeastern Brazil, which enables the evaluation of risk mitigation methods.engThis is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.Journal articleSeismic-fragilityhttps://doi.org/10.1590/1679-78257062