Manufacturer of Heavy Duty Top and Under Running Overhead Bridge Cranes

Manufacturing and assembly operations use overhead bridge cranes to move heavy or awkward loads safely across a defined work area while keeping floor space clear. Ergonomic Partners works with Tri-State Overhead Crane to configure top- or under-running, single- or double-girder systems around each load, duty cycle, hook height, environment, and building structure.

Single Girder Top Running
Bridge Cranes

We manufacture single girder top running bridge cranes up to 20 ton capacity and standard bridge spans up to 120 feet.

Single Girder Under Running
Bridge Cranes

Single-girder under-running cranes are commonly configured for capacities up to 15 tons. Custom designs up to 25 tons are available after engineering review; span depends on the application and supporting structure.

Double Girder Top Running
Bridge Cranes

Double-girder top-running cranes are available for CMAA Class A through Class E service. Capacities and spans are engineered for the application; contact us to confirm the appropriate configuration and project limits.

Double Girder Under Running
Bridge Cranes

Double girder under running cranes can be provided for CMAA Class A, Class B, Class C and Class D with typical capacities up to 25 tons and spans to 100 feet or more.

Double Girder Gantry Cranes 
 

We build double-girder gantry cranes for indoor and outdoor applications in top-running or under-running configurations for CMAA Classes A through E.

TC/American Monorail
Patented Track Cranes

TC/American Patented Track Cranes, monorails and runways are made of special steel containing a high carbon and manganese content. This makes the running surfaces extremely hard and tough due to the chemistry of the steel.

Overhead Crane Systems

Ergonomic Partners can help with your overhead bridge crane early in the project by developing a specification for the right type of equipment and working with the building architects to ensure it will fit in your building and provide the proper operation. Too many times, a bridge crane is an afterthought, and vital items such as hook height and floor coverage are sacrificed due to poor planning. We can provide top running bridge cranes as follows: Single Girder Top Running Bridge Cranes up to 20 ton capacity with a 120 foot span and Double Girder Top Running Bridge Cranes up to 100 ton capacity 150 foot span.

Typically, top running overhead systems are used in more demanding applications, especially double girder top running bridge cranes. We can provide overhead bridge cranes to go into clean rooms, explosive environments, molten metal handling, and other demanding environments. If a typical bridge crane will not fit your application, we can provide cranes such as single and double leg gantry cranes. Whether you need a manual, electric or air powered bridge crane, we can provide a solution.

In addition to the bridge crane, we can provide the runway structure to work in conjunction with a new building or an existing building. Some options for runways may include:

• Completely Freestanding (very good for existing structures or light metal buildings) - top or under running design overhead cranes.
• Freestanding but tied back to the building structure (in buildings with some substance - new or existing buildings) - top or under running design bridge crane.
• Suspended from your building (typically new buildings) - under running design overhead bridge crane.
• Set on haunches (typically new building construction) - top running system.

Runway structures are engineered for each application using relevant structural-steel and crane-design requirements. Professional-engineer-sealed drawings can be provided when the project scope or governing jurisdiction requires them.

If you are looking at an under-running bridge crane, we recommend a patented track system from TC/American.

Planning a bridge crane or runway? Tell us about the load, span, duty cycle, hook height, and building conditions. Contact us →

Crane and Hoist Videos

Ergonomic Partners manufactures and services overhead cranes; serving clients from coast to coast, Canada, and Mexico, and especially focused in the states of Missouri, Illinois, Indiana, Iowa, Kansas, Nebraska, Arkansas, Mississippi, Tennessee, Kentucky, South Carolina, Florida, and Oklahoma.