Structural

At Quiddity, we deliver reliable, high-quality structural engineering solutions for the infrastructure that keeps communities moving and thriving.

Our structural team combines experience and expertise to deliver practical, innovative engineering solutions for critical infrastructure. We specialize in bridge design, wastewater treatment facilities, water treatment plants, junction boxes, and wet wells. Every project benefits from designs that are efficient, buildable, and durable, with a focus on safety, performance, and longevity.

TxDOT Bridge Related Precertifications

5.2.1 Bridge design
5.5.1 bridge class culvert, non-bridge class culvert, and inlet design
4.5.1 constructability review
5.3.1 Multi-level interchange design
5.6.1 Structural engineering for overhead sign supports
14.3.1 transportation foundation studies
overpasses
direct connectors
overhead and cantilevered sign structures
straight and curved steel i-shape and trapezoidal girders
retaining walls
bridge raisings
multi-level interchanges
bridge class culverts
junction boxes
pedestrian bridges
rr exhibit a
utility bridges
bridge condition surveys
bridge rehabilitation
joint replacement
bridge inspection
bridge repair plans

Structural Resources

Download our brochures and learn more about the services we offer to meet your structural needs.

Our Structural Experts

MIKE TREVINO, PE

STEVEN MARTIN, PE

Fara forouzannia, pe, se

ahmad daneshvar, pe