Rocky Mountain Thunder

Sports Authority Field at Mile High
Denver, Colorado

With the assistance of our on-site presence, this 76,125-seat stadium — the modern home of the NFL's Denver Broncos — was built in a remarkable 26 months.

Sports Authority Field at Mile High features horseshoe-shaped seating that includes a lower bowl, two suite levels, a club level and an upper bowl wrapped in a silver aluminum skin that gives it a sleek, futuristic appearance.

We developed a structural system that blended long-span, post-tensioned concrete framing for the concourses and ramps, precast concrete raker beams for the lower bowl, structural steel raker beams and splayed columns for the upper bowl, and steel bent plate for all of the seating treads and risers. The steel seating bowls replicate the old Mile High Stadium home field advantage of "Rocky Mountain Thunder," while still meeting acceptable vibration performance criteria.

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Structural Engineering