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Structures Design

Aerial view of bridge construction over a multi-lane highway

Structural Solutions Built for Performance and Longevity

KCA’s Structures Department is recognized for delivering clear, constructible solutions for bridges and transportation structures of every scale. Our team brings extensive experience in concrete and steel bridge design, structural analysis, complex interchange and high-level structures, pedestrian bridges, and rehabilitation. Many of our structural engineers have built their entire careers at KCA, giving clients the benefit of deep technical knowledge and long-term continuity on every project.

 

Aerial view of a pedestrian bridge crossing over a road, surrounded by lush greenery and a pond under a blue sky

From Concept to Construction, Engineered with Intent

We focus on designs that are durable, efficient, and practical to build. From major water crossings and multi-level interchanges to pedestrian bridges and urgent emergency repairs, our team applies advanced analysis methods and proven materials technologies—including carbon fiber reinforcement and cathodic protection—to meet project needs without introducing unnecessary complexity. KCA has also developed a robust suite of standardized details that streamline production, reduce design costs, and accelerate delivery.

Whether designing new structures or extending the life of existing assets, KCA provides structural solutions grounded in performance, constructability, and long-term value. We support clients from early concept through final design with work that is technically sound, economical, and ready for real-world construction.

Crane lifting a large metal structure at a waterside construction site

Project Types

  • Concrete Bridges
  • Steel Bridges
  • High-Level Bridges
  • Interchanges
  • Pedestrian Bridges
  • Miscellaneous Structures
  • Bridge Repair and Rehabilitation
  • Load Ratings
  • Emergency Repairs
50+ Bridge Replacement Projects in Past 5 years
35 Pedestrian Bridges
350+ DOT Bridge Task Work Orders
300+ Bridge Repairs/Rehabilitation Projects since 2005
Metallic pedestrian bridge with illuminated triangular framework at dusk, creating a tunnel effect
Graham Swamp Trail and Pedestrian Bridge
Aerial view of a bridge crossing a narrow river amidst dense green foliage, with a small white building nearby
2nd Street Bridge Replacement
Aerial view of a newly constructed bridge spanning a wide river, surrounded by greenery and roads on a sunny day
Maydell Drive Bridge Replacement
View under steel bridge construction, traffic cones, and vehicles below
US 19 (SR 55) from Whitney Road to South of Seville Boulevard
Chain of Lakes Trail bridge with decorative railings over a road, surrounded by palm trees and greenery
Chain of Lakes Trail Pedestrian Bridge
Elevated bridge extending over a wide river; marshland visible beneath clear blue sky
Old Oak Island Bridge Preservation
Aerial view of Estero Boulevard bridge under construction, with adjacent buildings and a boat in the water
Big Carlos Pass Bridge Replacement
Aerial view of highway construction at Pinellas Gateway Expressway, showing multiple overpasses and surrounding areas
Gateway Expressway
Aerial view of a long bridge over blue-green water, connecting two land areas with scattered sailboats nearby
Card Sound Road Bridge Repair
Bridge over water at sunset, orange lights illuminate underside, palm trees nearby
Max Brewer Bridge

Structures Design Projects

Browse Bridge + Structures Projects

Cape Coral Bridge Replacement

Lee County, FL

The KCA team was selected to perform Design and Owner’s Representative services for the westbound span replacement and eastbound span replacement of the Cape Coral…
Modern bridge rendering over water with cars and pedestrians
Structures Design Public Involvement Planning / Project Development Environmental Services

Build Grant (Statewide) Bridge Replacements, NCDOT, Structures Management Unit (SMU) – Multiple Divisions

North Carolina

KCA was selected for various NCDOT Better Utilizing Investments to Leverage Development (BUILD) Grant Bridge Replacement projects. Our work tasks have included all aspects including…
Wooden bridge over a reflective creek surrounded by lush green forest
Bridge Maintenance Inspection Hydraulics Design Structures Design Traffic Engineering Roadway Design

Sanibel Causeway Emergency Repairs Phased Design-Build (PDB)

Lee County, FL

In the aftermath of Hurricane Ian, the Sanibel Causeway sustained damage to such an extent that it was impassible by land. The two islands that…
Bridge spanning over blue water with vehicles on top, under a partly cloudy sky
Alternative Delivery Emergency Response Structures Design Roadway Design Hydraulics Design Environmental Services Traffic Engineering

Partner with Us for Proven Structural Solutions

Whether you’re planning a new bridge, complex interchange structure, or rehabilitation effort, KCA provides the technical expertise and real-world constructability insights needed for successful delivery. Contact us to learn how our structures team can support your goals with proven experience.

Connect With a Structural Engineer