Science & Tech
12
Here in 1846, John A. Roebling built the first wire rope suspension bridge to carry a highway over the Monongahela River. He also designed a bridge across the Allegheny River, a railroad bridge at Niagara Falls, and the Brooklyn Bridge.
Hear stories like this as you drive
ExploreHere reads historical markers out loud as you pass them: over 325,000 stories across the US. No account needed.
4.7 · 800+ ratings · Free
FIND IT
Pittsburgh, Pennsylvania · United States
