Hydraulic Jacking Systems can offer challenges and can be puzzling

CH Bull completes the puzzle with 40+ years of experience. Our Mission is to provide products, systems and solutions to keep our customers safe, productive and profitable.


Load Charts

The following Load Charts are to give you an idea of your load based upon the force you are applying. These are not to be confused with a calibration.


Two Major Bridge Collapses in 2015

Most people don’t realize the lurking danger they face from a potential bridge collapse failure when performing their daily commute. Very few would readily recognize a freeway overpass as a bridge, but the truth is, all overpasses are bridges and an alarming number of them are listed as having deficiencies or being obsolete in the […]


Bridge Collapse

Bridge Collapse Causes There are many factors that lead to bridge failures, such as: Design Defects Incorrect construction materials Improper maintenance or repairs Lack of effective inspections And many others… Bridges are impressive feats of modern engineering, seemingly so solid and strong that we often think of them as being permanent and impervious to time, […]


Frederick Douglass Memorial Bridge

WASHINGTON (AP) — Motorists coming off the Frederick Douglass Memorial Bridge into Washington are treated to a postcard-perfect view of the U.S. Capitol. The bridge itself, however, is about as ugly as it gets: The steel underpinnings have thinned since the structure was built in 1950, and the span is pocked with rust and crumbling […]

One in ten U.S. bridges in urgent need of repair: report

(Cars are seen in the water as a span of highway bridge sits in the Skagit River May 24, 2013 after collapsing near the town of Mt Vernon, Washington late Thursday. REUTERS/Cliff DesPeaux)   WASHINGTON More than 63,000 bridges across the United States are in urgent need of repair, with most of the aging, structurally […]

U.S. Cities Face a Looming Bridge Crisis

(18,000 bridges in need of repair are located in large U.S. metropolitan areas)   The Sherman Minton Bridge is sitting quietly empty over the Ohio River. The bridge spans from Louisville, Kentucky to New Albany, Indiana, and while it’s estimated that the bridge typically carries about 55,000 cars every day, it carries none today. The […]