High Density


Perma Ballast® Counterweights

BTI: Experienced, Versatile, Efficient

Charles River Bridge Extension

  • Counterweight ballast is an equivalent weight that balances a load.

  • Typical uses include elevator counterweight, crane counterweight, bridge counterweight and funfair ride counterweight.

  • A well-known example of a bridge counterweighted with Perma Ballast® is the Charles River Bridge Extension - part of Boston's Big Dig project. 

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Ballast Technologies, Inc.,  4620 S. Coach Drive, Tucson, Arizona 85714-3442, USA

Tel: +1 520-790-2229, Ext.213, sales@ballasttech.com

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