Complex sentence: Some 3.3 km long and 60 m wide, the bridge would be supported by two 382 m pillars, each higher than the Empire State Building, and accommodate six freeway lanes, a railway (for up to 200 trains a day), and two walkways.
Split into simpler sentences: Some 3.3 km long and 60 m wide, the bridge would be supported by two 382 m pillars, each higher than the Empire State Building. The plan accounts for six motorway lanes, a railway for up to 200 trains a day and two walkways.