Acrow offers a diverse portfolio of modular steel solutions that can address virtually any permanent bridging need to accommodate vehicle, rail, vessel, heavy haul, military and pedestrian traffic. Whether used to transport heavy traffic across high-speed highways or farmers to neighboring markets, there is an Acrow bridge that can do the job.
Acrow bridges are easily customized to the desired length, width and strength through the simple addition of prefabricated modular components. These same components allow for the fast assembly and installation of an Acrow bridge under virtually any circumstance, from challenging terrain to limited time and resources.
Acrow bridges are built to last, constructed entirely of high strength, high quality U.S. steel that is galvanized to prevent corrosion and allow for easy maintenance.
Because of the versatility of Acrow’s modular steel technology, any Acrow bridge designed and engineered for permanent use can also be used as a temporary bridging solution. In many cases, Acrow’s temporary bridges have worked out so well that at the customer’s request, they have been reengineered using additional modular components into a cost-effective, longer-term solution.
Acrow’s temporary bridges are found on construction, drilling and excavation sites all over the world, providing safe and efficient access for workers, heavy off-road vehicles, machinery and equipment. In addition to their structural strength and durability, Acrow bridges are valued for being easy to erect, take down and transport for use in different locations.
Acrow bridges are also used as temporary detours to direct traffic around road construction sites or during bridge replacement and repair, providing safe passage for motorists in a way that facilitates traffic flow while protecting construction workers.
Every day across the United States and Canada, bridges are being replaced or renovated, creating a continual need for temporary bridges. Many state and provincial transportation agencies as well as contractors and engineering firms already have their own inventory of Acrow bridges to provide a safer, faster and more economical alternative for bridge construction than the traditional “phased” approach.
A leading provider of rental bridges, Acrow maintains a substantial stock of bridge components for assembling any size bridge up to four lanes wide, with service and storage facilities strategically located for rapid response and service to customers in North America.
Acrow’s rental bridge services include quick delivery to most points in North America, engineering drawings in compliance with customer specifications, on-site engineers to oversee bridge installation and return delivery upon completion of a project.
Acrow’s unmatched ability to provide emergency bridging solutions is built on years of experience in creating and restoring transportation lifelines under extreme circumstances. All over the world, Acrow has replaced bridges lost to natural catastrophes and man-made disasters and provided safe and secure access for emergency workers and their equipment at rescue and repair sites.
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Acrow bridges and shoring systems are ideal solutions for meeting emergency infrastructure needs, deliverable even under the harshest conditions. Fully understanding the great urgency and humanitarian need to respond quickly in an emergency, Acrow has the critical service and supply network in place for fast turnaround anywhere in the world.
From hurricanes, earthquakes and floods to major accidents, terror attacks and military conflict, Acrow has earned a reputation as the bridge design, engineering and supply company of choice in times of crisis.
Versatility defines Acrow’s comprehensive bridge offering for cars, trucks and other passenger and commercial vehicles. Acrow bridges can be easily lengthened, widened and strengthened to address a full range of vehicular needs as well as different design load standards. Sidewalks can also be added.
Acrow bridges are designed with safety as a top priority, and the vehicular bridge is no exception. In addition to superior structural integrity, Acrow offers technological advancements that address driver safety, including:
- Flat steel deck technology – Unlike alternative open grid systems, the Acrow deck unit is a flat solid surface onto which Acrow can apply an anti-skid aggregate coating. The aggregate driving surface offers better and safer traction than asphalt. In all weather conditions, the Acrow driving surface has been found to provide a significantly safer and less slippery surface than other flat driving surfaces that use checker, diamond or Durbar patterned steel plates.*
- Crash barrier system – Acrow bridges can be easily installed with optional steel railings. These crash barriers are built to deflect a Test Level 4 (TL-4) crash impact of approximately 27.5 tons (25 metric tonnes) from a large tractor trailer. This type of crash rail system is approved by the U.S. Federal Highway Administration for use on high-speed Interstate Highways, which require the strongest and most robust crash rails to protect motorists.
(* Based on tests conducted by Lehigh University, Pennsylvania, USA)
Constructed from high strength steel produced by ISO-certified mills in the United States, Acrow bridges can easily accommodate both freight and passenger trains and are built to withstand heavy use. They are designed to support American and European railway loadings, including the American Cooper E80 load, which is the heaviest train loading in the United States for main railway lines.
The same modular benefits of Acrow’s vehicular bridge apply to the railroad bridge. These bridges are easy to assemble and erect, with flexible launch methods that require minimal equipment to lift or roll into place. Through the simple addition of prefabricated modular bridge components, Acrow railroad bridges are easily customized to the desired length, width and strength.
Acrow railroad bridges are also easy to maintain. Acrow galvanizes every bridge component, including the pre-drilled holes for pins and bolts, for anti-corrosion.
Acrow’s heavy haul bridges are designed to support a steady flow of heavy off-road vehicles, machinery and equipment used on construction, excavation and drilling sites and by the military. Assembled from 100% galvanized steel bridge components, Acrow bridges are capable of handling trucks with loads exceeding 550 tons (500 metric tonnes) each in gross weight.
Acrow’s modular steel bridging solution offers a number of advantages of particular benefit to the construction industry. The heavy haul bridge is reusable, with modular components that can be readily disassembled, stored and reassembled for use in different locations. The components themselves are easy to transport by standard truck or ocean shipping container. And every inch of an Acrow bridge is built to withstand the elements, made entirely out of galvanized steel for anti-corrosion and easy maintenance.
Acrow bridges used as temporary detours address two major issues during roadside construction. By providing a temporary roadway that is predictable and unchanging, traffic disruptions are reduced while the safety of motorists and construction workers is enhanced.
An Acrow detour provides a safer, faster and more economical alternative to “phased” construction in which lanes are moved as needed to divert traffic around work sites. The use of detour bridges has grown significantly in recent years as contractors find they are able to stay ahead of schedule and lower construction costs when using a temporary bridge as a detour.
Acrow detours meet multiple highway transportation standards. Fast and easy to transport and assemble, they can be built and erected in a matter of hours or days.
Based on the prefabricated modular steel technology used in all Acrow bridges, the Acrow pedestrian bridge is an easy-to-assemble solution for both temporary and permanent needs. On construction, drilling and excavation sites, Acrow’s temporary bridge provides a safe and secure walkway for workers.
For more permanent use where aesthetics are also important, Acrow bridges are available in weathering steel, which develops an attractive patina over time for a more natural look. They can be fitted with a timber, steel or reinforced concrete deck and shipped in sections with the deck attached, so that they can be lifted off a truck and placed directly onto bridge abutments.
Because of its unique attributes, the Acrow 700XS bridge system has been selected as a standard Line of Communication Bridge for logistical support by military organizations around the world, including the U.S. Army, Canadian Army, Australian Defence Force, National Army of Colombia , Chilean Army, Israeli Army, Indonesian Army and United Nations Peacekeeping operations.
Used all over the world, Acrow bridges are capable of supporting large armored tanks and other heavy vehicles under a variety of conditions. Durable and easy to maintain, the components are easily transported and reused wherever a temporary or permanent bridge is needed.
Designed for fast assembly and disassembly, the Acrow modular bridging solution is a portable system that can be used over and over again by military organizations on the move.
Acrow bridges are well suited to meet the specialized needs of the energy, mining and oil and gas industries, providing safe and cost-effective access to work sites. The modular design of Acrow’s bridging system makes installation easy and cost-effective as well as portable. Acrow bridges can be used and reused in different locations, including remote areas, and adjusted each time to meet different specifications and load requirements.
Acrow bridges are built to last, with fully hot-dipped zinc galvanized steel components engineered to exceed a 75-year life span with little to no rust, even in tropical marine environments.
Acrow’s on-site technicians are Mine Safety and Health Administration (MSHA) trained and certified to ensure safe and smooth installation.
Using the same 700XS bridge components found in other Acrow bridges, the Acrow swift beam bridge is the economical solution to short span needs. Prefabricated, the Acrow beam bridge arrives ready to install, with optional guide rails or adjustments to work with Jersey-type barriers.
The Acrow beam bridge can also be fitted with a timber deck or field-installed reinforced concrete deck. The bridges can be designed for span lengths up to 70 feet (21.3 meters), with flexibility in lane width.
Bridges designed to accommodate the passage of shipping vessels are engineering intensive, requiring specialized expertise. As the industry leader, Acrow’s team of structural, mechanical and electrical engineers has developed some of the world’s most innovative solutions in moveable modular bridges.
Acrow’s moveable bridge portfolio includes the bascule bridge, vertical lift bridge and sliding bridge. The use of modular components to build approach spans, towers and moveable spans enables Acrow to meet tight delivery schedules for even the most complex structures.
The Acrow moveable bridge can be reused in different locations and customized to meet different span lengths and configurations through the easy addition of bridge components. Simple hand tools are used to assemble the components, with no field welding necessary and minimal crane requirements. Multiple options for abutments are available to support an Acrow bridge.
Available up to four lanes in width, with spans that can exceed 400 feet (122 meters) through Acrow’s partnership with Canam-Bridges, the Acrow long span modular steel bridge can be operational in a matter of days, as opposed to comparable conventional bridges, which can take months to build and erect.
Like Acrow’s other bridging solutions, the length, width and strength of the Acrow long span bridge are easily customized with modular bridge components.
The long span bridge can also be quickly rolled into place with or without the use of a crane. This allows for assembly and launch in locations where equipment and space are limited.