“…Actually, recent advances in sensor and information technologies have improved the performance in big data (Entezami et al, 2020), monitoring (Spiridonakos et al, 2016), and damage identification (Delgadillo & Casas, 2020;Moughty & Casas, 2017) in bridges. The main dynamic signal processing techniques are fast Fourier transform (FFT) (Diez et al, 2016), wavelet transform (WT) (Li et al, 2019) and Hilbert-Huang transform (HHT) (Delgadillo & Casas, 2020;Chen et al, 2014). The Hilbert-Huang transform allows energy-time-frequency resolution for analysing data from nonstationary and nonlinear processes.…”