BusinessInsider New Baton Rouge bridge over Mississippi River years from groundbreaking By Stephanie Riegel - March 29, 2021 One of the two Mississippi River bridges in Baton Rouge. (File photo) FacebookTwitterLinkedinEmailPrint Engineers studying the feasibility of a new bridge across the Mississippi River south of Baton Rouge are making progress, but the project is still years away from a groundbreaking, much less completion. Already an INSIDER? Sign in.