When the South Street Pedestrian Bridge was constructed in the mid-1990s, the brick walkway that crosses Interstate 95 was not built directly onto the Delaware River waterfront. People must go down a ...

The expansion of one of the Mediterranean’s strongest powers wasn’t only driven by conquest, but also infrastructure. By borrowing techniques from the Greeks and the Etruscans, Romans engineered ...

The arch is squeezed together, and this squeezing force is carried outward along the curve to the supports at each end. The supports, called abutments, push back on the arch and prevent the ends of ...

When have three bridges opened to let another bridge pass underneath them? It happened in New Jersey Wednesday afternoon, when the first of three giant steel arch bridge sections fabricated in upstate ...

The world's tallest railway bridge is bigger than the Shard and the Eiffel Tower.