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45 Years
experience
Emergency
services
Heavy Civil, Industrial & Mechanical Construction Services
Founded in 1981, Weekly Bros has evolved from a timber road construction company into a leading provider of heavy civil, industrial, and mechanical construction services. Our family-owned business operates with a hands-on approach, ensuring that at least one owner or manager personally supervises every project. With decades of combined experience, our team specializes in tackling the most challenging projects, including cofferdams, dam modifications, pipelines, and environmental restoration. Our commitment to quality, technical expertise, and safety has earned us a reputation for delivering complex projects for federal, state, and local agencies across the northwestern United States. As a certified HUBZone firm, we prioritize local economic growth while maintaining rigorous compliance and operational standards.

Our patented cofferdam system exemplifies our innovation, combining durability and adaptability to meet demanding project requirements. By integrating engineering precision with practical field experience, we provide solutions that mitigate risks, enhance safety, and ensure project success. Our personnel, including seasoned managers and project superintendents, bring specialized expertise in geotechnical concerns, structural design, and emergency relief. We maintain transparency in operations, offering fixed-price proposals and detailed consulting services to support clients from project inception to completion. This dedication to excellence positions us as a trusted partner for critical infrastructure challenges.
Services
Cofferdam Installation Dam Construction Pipeline Systems Environmental Restoration Emergency Repairs Hydroelectric Plants Underwater Construction Demolition Services Bridges & Roadways Pump Stations
Details
  • Year established: 1981
Highlights and features
  • We offer hands-on management with owners personally supervising every project.
  • Our patented cofferdam system ensures durability in challenging water diversion projects.
  • 40+ years of experience in heavy civil construction for government and private clients.
  • Certified HUBZone firm committed to local economic development and compliance standards.
  • Specialized expertise in geotechnical concerns, emergency repairs, and risk mitigation.
Services
Cofferdam Installation
Our patented cofferdam system provides durable, reusable barriers for water diversion projects. Designed to withstand high-velocity flows and flood events, it ensures safe working environments for construction in aquatic settings. Ideal for dam repairs, bridge foundations, and fish ladder construction across rugged terrains.
Dam Construction
Specializing in dam construction and modifications, we deliver solutions for hydroelectric plants and water management systems. Our expertise includes structural integrity assessments, retrofitting, and emergency repairs to ensure long-term functionality and safety compliance for critical infrastructure.
Pipeline Systems
We design and install complex pipeline systems for water, wastewater, and industrial applications. Our services include trenchless technology, corrosion protection, and site restoration, ensuring minimal environmental impact while meeting regulatory standards for municipal and energy sector clients.
Environmental Restoration
Our environmental restoration projects focus on mitigating ecological impacts from construction activities. Services include wetland preservation, erosion control, and habitat rehabilitation, aligning with federal and state regulations to promote sustainable development practices.
Emergency Repairs
We provide rapid-response solutions for urgent infrastructure failures, including dam breaches and pipeline ruptures. Our team mobilizes specialized equipment and personnel 24/7 to stabilize sites, minimize downtime, and implement permanent fixes for critical systems.
People
Allan Weekly
President & Manager
With 46 years of experience, Allan manages our equipment fleet, ensuring compliance, maintenance, and efficient mobilization for complex construction projects across diverse terrains.
Todd Weekly
Corporate Secretary
Todd brings 43 years of expertise, personally overseeing our most challenging projects to guarantee technical precision and adherence to safety standards in demanding environments.
Nick Weekly
Manager
Nick, with 24 years of construction experience, ensures operational efficiency and quality control across projects, leveraging deep industry knowledge to optimize project outcomes.
Jared Weekly
Manager
Jared contributes 22 years of hands-on experience, focusing on project execution and client collaboration to deliver complex civil and mechanical construction solutions.
Debbie Weekly
Office Manager
Debbie oversees administrative operations, ensuring seamless coordination between field activities and corporate functions to support project success and client satisfaction.
Questions
What construction services does Weekly Bros., Inc. specialize in?
We specialize in cofferdams, dam construction, pipeline systems, environmental restoration, and emergency repairs for government and industrial clients.
Do you handle projects outside the Pacific Northwest?
Our primary focus is the northwestern United States, though we evaluate projects nationwide based on complexity and resource availability.
What makes your cofferdam system unique?
Our patented system combines steel reinforcement and earthen materials for superior durability, withstanding extreme conditions like flood overtopping and debris impact.
Can you assist with emergency infrastructure repairs?
Yes, we offer rapid-response services for urgent dam breaches, pipeline failures, and other critical infrastructure failures 24/7.
Are your construction methods environmentally compliant?
We prioritize eco-friendly practices, including erosion control and habitat preservation, to meet federal and state environmental regulations.
Do you provide consulting services for construction projects?
Yes, we offer expert consulting on geotechnical concerns, risk mitigation, and project planning from design through completion.