The time-honored Vineyard tradition of jumping off the Big Bridge into Sengekontacket Pond has now been joined by a yearly concern about the safety of jumpers — not for their daring leaps into the water below, but for the time they spend sitting and standing on the bridge as traffic whizzes by.

Low railings that divide pedestrians, including bridge jumpers, from Beach Road are the worry, and Oak Bluffs and Edgartown are taking steps to address the problem that they say ultimately should be dealt with by the state.