Business Details
50+ Years
experience
Your Trusted Partner for Construction Contracting Solutions
Gahagan & Bryant Associates has been delivering specialized engineering solutions since 1974, combining decades of hands-on field experience with technical expertise. Our firm focuses on dredging engineering, coastal engineering, and construction management, serving clients across the United States through seven strategically located offices. With over 50 years of continuous operation and a team of 90+ engineers and staff, we provide comprehensive services from project planning to completion, including hydrographic surveying, geotechnical investigations, and environmental restoration. Our unique background as former marine contractors informs our practical approach to cost estimation, dredging methodology, and construction oversight. We maintain USACE-accredited laboratory facilities and in-house research capabilities to ensure compliance with regulatory standards.Our commitment to sound engineering principles has earned us partnerships with federal agencies, port authorities, and private sector clients nationwide. From navigation channel design to beach renourishment projects, we prioritize economically and environmentally sustainable solutions. Our team's intimate knowledge of dredging equipment operations and marine construction techniques ensures project feasibility and efficiency. We support clients through all phases of dredging projects, including permit preparation, construction supervision, and post-project evaluation. This enduring dedication to engineering excellence and client satisfaction continues to define our firm's legacy.
Services
Navigation Channel Design
Dredging Engineering
Coastal Engineering
Construction Support Services
Geotechnical Services
Details
- Year established: 1974
Highlights and features
- We offer 50+ years of specialized experience in dredging and marine engineering
- Our team includes 90+ engineers with hands-on construction industry expertise
- We maintain a USACE-accredited sediment testing laboratory for material analysis
- Our nationwide service covers all major coastal regions from seven office locations
- Our former contractor background informs practical, cost-effective project solutions
Associations and certifications
- USACE
Services
Navigation Channel Design
We design ship channels, turning basins, and berthing areas with comprehensive dredged material management plans. Our expertise includes regulatory compliance coordination and construction specification development for federal, state, and local agencies. We provide cost estimation and surveying services for project control and payment purposes.
Dredging Engineering
Our dredging engineering services include project planning, cost estimation, and equipment selection optimization. We leverage former contractor experience to develop practical dredging methodologies and environmental compliance strategies. Our proprietary cost estimation system analyzes multiple dredging techniques for economic efficiency.
Coastal Engineering
We specialize in beach nourishment, wetland restoration, and coastal structure design. Our services include wave modeling, sediment transport analysis, and permit preparation for shoreline protection projects. We provide engineering solutions for artificial reefs and land reclamation initiatives.
Construction Support Services
We offer comprehensive construction supervision and inspection services for dredging projects. Our team provides progress reporting, quality management, and surveying support throughout all project phases. We ensure compliance with design specifications and regulatory requirements.
Geotechnical Services
Our USACE-accredited laboratory performs sediment testing and material analysis for dredging projects. We evaluate soil composition to determine optimal construction methods and environmental compliance. Services include vibracore sampling, particle size distribution, and compaction testing.
Questions
What engineering services does GBA specialize in?
We specialize in dredging engineering, coastal engineering, navigation channel design, construction management, and geotechnical services for marine and port development projects.
How long has GBA been in business?
Our firm has provided engineering solutions since 1974, with roots tracing back to dredging operations beginning in 1898 through affiliated companies.
What geographic areas do you serve?
We operate nationwide with offices in Tampa, Philadelphia, Baltimore, Wilmington, Houston, Los Angeles, and San Francisco covering all major coastal regions.
Do you have specialized laboratory capabilities?
Yes, we maintain a USACE-accredited sediment testing laboratory for material analysis and dredged material compliance evaluation.
What makes GBA different from other engineering firms?
Our unique background as former marine contractors provides practical insights into construction costs, equipment operations, and dredging methodology optimization.
What types of clients do you work with?
We serve federal agencies, port authorities, state municipalities, and private sector clients in marine construction and environmental restoration projects.
