Washington Roebling was bedridden by decompression sickness, so Emily learned higher mathematics and engineering to manage the massive project in his place.

A catenary curve is the natural U-shape formed by a wire hanging under its own weight. Understanding this mathematics was essential for calculating suspension cable strength.

To celebrate her crucial leadership, Emily rode a carriage across the span before its official opening. She carried a live rooster with her as a symbol of victory.

When politicians tried to fire her bedridden husband in 1882, Emily delivered an impassioned speech to the American Society of Civil Engineers to secure his position.