COLEBROOK TOWNSHIP, Pa. -- It took a team of drivers to deliver 60,000-pound beams to a bridge replacement project site just outside of Lock Haven. Drivers had to maneuver trucks around some tight ...
A suspension bridge's cables are beautiful to look at, but they also enable the bridge to cross large spans. Make a model suspension bridge to see how it works. After you test the strength of the beam ...
A beam or "girder" bridge is the simplest and most inexpensive kind of bridge. According to Craig Finley of Finley/McNary Engineering, "they're basically the vanillas of the bridge world." In its most ...
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