Cable-stayed bridges may look similar to suspensions bridges—both have roadways that hang from cables and both have towers. But the two bridges support the load of the roadway in very different ways.

Bridge engineer Arvid Grant may have been feeling poetic on Sept. 8, 1978. Grant was typing up a fact sheet about the unusual cable-stayed bridge he’d designed. The completed bridge soared between ...

New York State's longest bridge is in dire straits. “At times, you can see the river through the cracks in the pavement,” President Barack Obama said at a press conference in front of the Tappan Zee ...