Complex sentence: The new bridge was built by Baulderstone and opened on December 3,1995, and was criticised by some as "overengineered" because of its size-with seven lanes for traffic.
Split into simpler sentences: The new bridge was built by Baulderstone and opened on December 3,1995,. The bridge was criticised by some as "overengineered" because of its size-with seven lanes for traffic.