(314) 729-7600  info@design9.com

Structural Engineering

We provide complete engineering services for the structural design and preparation of construction documents for railway bridges, unloading pits, locomotive maintenance pits, retaining walls, and much more.

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Railway Engineering

We handle a variety of services related to railway facilities, industrial trackage, and surveying.

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Technical Services

We handle everything from cost estimates, feasibility studies, technical specifications, bid documents and more.

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