piano cracked bridge

this is an upright piano bridge
it is an old japanese piano brand, maybe around 50 years old.
i discovered the treble area was very weak and almost toneless.
in this case, removing the action part to inspect carefully and found out
the treble end part of the bridge were cracked. you can see the bridge pins position have been
previously "reposition" by drilling  new holes hoping that affected loose pins can hold the tension
of the wire. but it seems to me that it fails.
there is no point to repair unless replacing a duplicated bridge which can cost you high up.