The new bridges were designed to have a 120 year design life.
The original bridges were designed to last only about 10 years.
The bridge was designed to last a century without replacement.
The bridge is designed to carry 48,000 vehicles per day.
The bridge was designed to handle 60,000 vehicles a day.
The bridge was designed to support more than six times its intended load.
The bridge was designed to accommodate up to 200,000 vehicles a day.
The new bridge was designed to carry four lanes of traffic.
The £300,000 bridge has been designed to tone in with the area's historic buildings.
The bridge was designed without non-motorized access of any kind.