The HP35 trailer-mounted under-bridge access unit, comes equipped with enough hardware and capabilities to service more than 1,000 square feet of under-bridge area with one deck placement. With its maximum drop depth of more than 18 ft. (5.54 m) and platform extension of 35 ft. (10.67 m), the HP35 can easily reach across most bridges with two to three lanes of traffic.

The HP35 is powered by an 18HP V-twin gas engine, an ample size for its entire hydraulic system. It includes the patented Tower Separation System (TSS), allowing access across sidewalks and railings. In addition, the specially-designed crossover platform remains horizontal at all times, making access to the platform from the deck safe and secure.