Complex sentence: A decision was taken in the 1960s to replace the ferry service: two bridges would be required, one crossing the Cleddau and a smaller bridge to the north of Neyland crossing Westfield Pill creek.
Split into simpler sentences: A decision was taken in the 1960s to replace the ferry service: two bridges would be required. One crossing the Cleddau and a smaller bridge to the north of Neyland crossing Westfield Pill creek.