• The Causeway is 23.83 miles long.
• The twin bridges are supported by 9,500 concrete stanchions.
• The navigation channel under the bridge is located 8 miles from the north shore.
• The western span was the original Causeway.
• It opened in 1969, and had one lane going in each direction.
• It has always been a toll bridge.
• Unlike the I-10 Twin Span bridge, the Causeway was mostly undamaged by Hurricane Katrina.
