If they are HO-scale Snap or Custom-Line switches made during at least the past 25-30 years, and maybe older, you can use Atlas “BUS BAR FOR SNAP RELAY” fastened with Atlas “MACHINE SCREW RD HD SNAP RELAY/BUSBAR”.
The bus bars slide (from either side) into a recess in the tie that’s even with the screw hole in the frog. With a little care you can do that with the turnout installed and minimal disruption to the surrounding scenery. Certainly less disruptive than replacing the turnout.
This post describes it pretty well: