Complex sentence: Twickenham Bridge gets its name from the fact that it is on the road to the town of Twickenham (also in the same London borough), which is approximately 3km upstream from Twickenham Bridge, past Richmond Bridge.
Split into simpler sentences: Twickenham Bridge gets its name from the fact that it is on the road to Twickenham. The town of Twickenham is approximately 3km upstream from Twickenham Bridge, past Richmond Bridge.