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To accommodate increased seismic hazard in Indonesia, provisions regarding structural details in seismic regulations have been tightened. In this paper, variations in seismic hazard and detailing requirements in bridge codes from before 1990 to the present are provided. To examine bridge performance, pushover analysis was carried out based on the latest Indonesian bridge code, SNI 2833:2016/Seismic Map 2017. From the analysis results, the performance of older bridges would typically be less than that of more recently designed structures. The performance level of bridges designed in the era before SNI 2833:2016/Seismic Map 2017 will be Operational-Life Safety (LS), whereas the performance level of bridges designed according to SNI 2833:2016 will be Elastic-Operational. Referring to NCHRP 949 for bridge performance level evaluation, the results of this study showed that the performance level of the bridges still satisfies the requirements of NCHRP 949 which is Life Safety under upper-level earthquakes. Therefore, existing bridges still have adequate capacity under the current seismic load in Seismic Map 2017 (7% probability of exceedance in 75 years (RP = 1000 years)). Evaluation of seismic vulnerability needs to be done to ensure the safety of existing bridges in Indonesia, most of which are located in earthquake-prone areas, especially those that were designed under older version regulations. [ABSTRACT FROM AUTHOR]