[dirtboy]

Foot traffic across a causes a bridge to carry a weight load which is greater than vehicle traffic.

What kind of IDIOCY is that? This bridge carried fully-loaded trucks.

You're pulling stuff out of your a** now to defend this.

[IronMan04]

Dense foot traffic weighs more than even dense vehicle traffic. That is why the Brooklyn Bridge swayed during the blackout evacuation.

Think of it like this. Your body mass is denser and thus weighs more than a vehicle.

Consider this, a car has a footprint of around 45-50 square feet while a person has a footprint of around one square foot and weighs 150 pounds.

The weight of people Walking in a 50 square foot area is 7500 pounds much heaver than the average vehicle.