The Industry’s #1 Choice for UnderBridge Access
Nationwide sales, rentals, and service for UnderBridge access platforms.
Our Partners
The Anderson UnderBridge Advantage
Trusted by DOTs, contractors, and engineering firms nationwide, Anderson UnderBridge platforms deliver safer, faster access that cuts labor costs while raising safety standards.
100+ Safety Features
Deploys in less than 10 minutes
Up to 1,400 lbs and five crew members
Made in USA
Who We Are
At Anderson UnderBridge, we design and build the world’s most advanced under-bridge access platforms; trusted by DOTs, contractors, and engineering firms to safely and efficiently tackle America’s aging infrastructure.
Rental or Purchase Options that Fit Your Needs
Underbridge Equipment
Explore our full line of UnderBridge access platforms, from the trailer-mounted HP35 to the truck-mounted HPT66. Built for safety, speed, and efficiency.
View EquipmentRental
Rent the right solution for any project, from articulated boom trucks to Anderson UnderBridge Hydra Platforms, available in the nation’s largest, safest, and most advanced rental fleet.
Get StartedOperation and Job Site Services
From Anderson UnderBridge Certified operators to full traffic control services, we provide the on-site support you need to keep every project running safely and efficiently.
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Schedule a Demo
See the difference for yourself. A live demo is the best way for your team to get hands-on with Anderson UnderBridge equipment; on your bridge, at your jobsite. Experience the speed, safety, and efficiency gains firsthand and discover the impact it can make on your crew.
See Our Equipment in Action
Margaret Hunt Hill Bridge in Dallas, TX
Our HPT43 truck-mounted platform helps Engineers access hard-to-reach areas of the Margaret Hunt Hill Bridge in Dallas, TX with ease!
The Chesapeake Bay Bridge-Tunnel
The HPT43 was delivered to the Chesapeake Bay Bridge Tunnel Authority, where it will support inspections, concrete repairs, and bearing replacements. Deploying in under 10 minutes, the HPT43 provides a full work platform that helps crews complete projects faster, safer, and with significant labor savings.
Electrical Work on the Korean Veterans Bridge in Nashville, TN
Our Partners, Stansell Electric Company in Nashville, TN is completing electrical work on the iconic Korean Veterans Bridge in Nashville, TN using their HPT43 Hydra Platform. With its proven safety and efficiency, the HPT43 gives crews reliable access to get the job done right.
Who We Serve
Government Entities
From federal highway authorities to state DOTs and local municipalities, government partners choose Anderson UnderBridge for our American-made quality and Buy America compliance. Where public safety meets budget accountability, our equipment delivers both reliability and cost efficiency while meeting strict procurement requirements.
Learn MoreContractors
Bridge maintenance companies, construction firms, and specialized service providers need equipment that performs under pressure. Our contractors value the ability to mix rental and purchase options, accommodating everything from emergency repairs to extended projects. With platforms supporting up to 1,400 pounds and space for multiple technicians, bridge crews get more done—faster, safer, and with fewer disruptions.
Learn MoreEngineering Firms
Inspection teams need efficiency, not distractions. Our partnerships with engineering firms center on providing certified operators who handle the equipment, freeing engineers to focus on their expertise—assessment and documentation. With on-platform power for electronic equipment and rapid deployment capabilities, inspections proceed smoothly without delays.
Learn MoreIndustry Affiliations
More than Machinery: The Anderson Advantage
Beyond equipment, Anderson UnderBridge offers complete turnkey solutions, including:
- Certified operator training
- Delivery to your worksite
- Traffic control coordination
- Access to the industry’s newest, most technologically advanced rental fleet
Services That Set You Up for Success
No matter where you’re located, Anderson UnderBridge’s nationwide service network ensures fast, reliable support for your maintenance, repair, and inspection needs. Whether you own or rent our equipment, our factory-certified technicians are dedicated to minimizing downtime and maximizing the life of your investment.
Our services include:
- 24/7 technical support for troubleshooting and emergency service
- On-site support for more complex issues
- Annual visual inspections to help maintain ANSI compliance