u/Different_Muscle4799

Hi, I'm new here, sorry if this is off-topic. I need some help with a clarification regarding the AASHTO LRFD Bridge Design Specifications and the use of the Response Modification Factors (R) listed in Section 3.10.7. ​Is it correct to use these factors for bridges where the substructure is non-integral with the superstructure, utilizing steel-reinforced elastomeric bearings