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Steel Detailing Project: UT Pedestrian Bridge Screen

By: Cartee-Berry & Associates

Silver Spring, MD—Cartee-Berry & Associates, LLC (

The United Therapeutics Pedestrian Bridge is to be located in Silver Spring, MD and will serve as a connector between two eight story office buildings that will serve as the headquarters of the biotechnology company. The bridge will connect the two sixth floor levels and is to be constructed in the shape of a “double helix”. The “double helix” design was suggested by the United Therapeutics CEO to resemble strands of DNA. The walking bridge will be enclosed by a million dollar glass system.

Obviously the challenges presented by this bridge were overcome using SDS/2. The bridge elevation is constant on top, however it has continuous slope on the bottom.

A few of the obstacles that were encountered:

Ultimately all of the issues were resolved using SDS/2 and we are thankful for that.