The world famious bridge softwares such as Lusas, Midas Civil, Sofistik, Larsa 4D. All of them have been developed Grasshopper Plugin to increase the bridge modeling capacity.

Lusas Grasshopper plugin: https://www.lusas.com/products/external_plugins/grasshopper/index.html

Midas Civil:
https://support.midasuser.com/hc/en-us/articles/33364091873049-What-is-MIDAS-GH

Sofistik:
https://www.sofistik.com/en/products/finite-elements/rhinoceros-interface
Larsa 4D

https://www.larsa4d.com/videopage.aspx?item=grasshopper