Complex sentence: The footbridge was rebuilt in 1995 a few metres downstream, and an abutment to this day remains in the park after being carried up by the waters, while the other is in the river.
Split into simpler sentences: The footbridge was rebuilt in 1995 a few metres downstream. An abutment from the old bridge to this day remains in the park after being carried up by the waters, and the other is in the river.