The collapse of the Francis Scott Key Bridge left the Baltimore community forever changed. What has America learned from past ...

Only two out of every five bridges in the U.S. are in good condition, according to the 2024 National Bridge Inventory. How do ...

Record how many pennies the paper cup can hold before the bridge fails. 5. Now change the beam bridge into a suspension bridge. Tie the center of a 100-cm (about 4 ft.) cable around the middle of ...