If you see a gap in a concrete highway bridge, don't fret. It's probably not a sign of a defect; more likely, it's there to ...

The big green beam that arrived was part of a delta frame — steel triangles that support the top girders to form the steel supports of the bridge. Surrounded by a motorcade, an oversized truck ...

Motorists use the new Cementon Bridge over the Lehigh River between Northampton and Whitehall Township on Monday, Dec. 8, 2025. The 585-foot-long concrete span, which has been under construction since ...

Concrete builds the modern world but carries a heavy carbon cost. Discover the engineering advantages, material innovations, and decarbonization efforts defining its future.