There are more than 28 million vehicles that annually cross the Millard E. Tydings Memorial Bridge that connects Harford and Cecil Counties and the wide, curvy Susquehanna River below is one of the state’s most beloved vistas.

But to business owners nearby, it is a costly sight.

The toll gate at the northern edge of the bridge on Interstate 95’s John F. Kennedy Memorial Highway and a toll at a the parallel Route 40 Thomas J. Hatem Memorial Bridge charge $8 and $6, respectively, and amount to…