Cattle guards are available in several materials, but steel is one of the most common choices for agricultural, ranch, and roadway applications. The material used in a cattle guard affects its strength, durability, maintenance requirements, installation, and suitability for different types of traffic.

Understanding the differences between steel, concrete, composite, plastic, and wood cattle guards can help when selecting a system for a ranch entrance, pasture, farm road, driveway, or other access point. The design of the cattle guard is also important, since rail configuration, dimensions, foundations, and load rating all contribute to how the finished installation performs.

Cattle Guard Materials at a Glance

Different materials can be used to construct cattle guards, but they are not interchangeable for every application. A material that works for a light-duty access point may not be appropriate where heavy trucks, livestock trailers, or other large vehicles regularly cross.

Material	Common Characteristics
Steel	Strong, durable, and available in a variety of designs and load ratings
Concrete	Heavy, durable, and suited to permanent installations when properly designed
Composite	Lightweight and resistant to corrosion, with performance dependent on design
Plastic	Lightweight and corrosion resistant, generally associated with specific applications
Wood	Traditional material with different durability and maintenance considerations

Steel Cattle Guards

Steel is widely used for cattle guard construction because it combines strength with the flexibility to manufacture different rail configurations, widths, lengths, and load capacities. Steel cattle guards can be designed for everything from ranch and farm entrances to locations where larger vehicles cross regularly.

The construction of a steel cattle guard can include round rails, flat rails, supporting members, and structural components designed to distribute vehicle loads. The particular design determines how the cattle guard handles traffic, so the material alone should not be used to determine its capacity.

Barn World offers round rail cattle guards and flat rail cattle guards for different installation requirements.

Round Rail and Flat Rail Construction

Steel cattle guards can be constructed with different types of top rails. Round rails provide a rounded surface across the top of the guard, while flat rail designs use wider, flatter structural members.

The choice between round and flat rails can depend on the cattle guard design, vehicle traffic, livestock application, and the preferences of the property owner. More important than the shape of the rail alone are the overall construction, dimensions, supporting structure, and applicable load rating.

Concrete Cattle Guards

Concrete is another material used in cattle guard construction. Its weight and rigid construction can make it suitable for permanent installations when the system is properly engineered and installed.

Concrete cattle guards also require consideration of site preparation, drainage, foundations, and access for installation. Because concrete is substantially heavier than many steel designs, moving and installing the finished components can require different equipment and planning.

As with steel cattle guards, the performance of a concrete system depends on its specific design. Material selection should be considered together with the dimensions, structural design, expected traffic, and site conditions.

Composite and Plastic Cattle Guards

Composite and plastic materials can be used in some cattle guard designs. Their resistance to corrosion and relatively light weight can make them useful for particular applications.

However, composite and plastic cattle guards vary considerably in construction and load capacity. Before selecting one, check the manufacturer's specifications for the intended vehicle traffic and installation conditions.

These materials may be considered where corrosion resistance, weight, or installation requirements are important factors, but they should not automatically be treated as equivalent to a structural steel cattle guard.

Wood Cattle Guards

Wood has historically been used in some cattle guard designs and can still be found in temporary or specialized applications. Wood construction has different characteristics from steel or concrete, particularly when exposed to moisture, soil contact, livestock, and repeated vehicle traffic.

The type of wood, construction method, drainage, climate, and maintenance can all affect service life. For a permanent cattle guard installation, the expected traffic and structural requirements should be considered before choosing wood as the primary construction material.

How Material Affects Strength and Load Capacity

The material used to build a cattle guard is only one part of its structural performance. Two cattle guards made from the same material can have very different load capacities because of differences in dimensions, rail size, supporting members, span, and overall construction.

Load rating is particularly important when a cattle guard will be crossed by heavy trucks, agricultural equipment, livestock trailers, or other large vehicles. For these applications, look at the manufacturer's stated rating and installation requirements rather than assuming that a particular material automatically provides a specific capacity.

Load-rated cattle guards may be identified by classifications such as H-15, H-20, HS20, U-54, or U-80. The appropriate rating depends on the application and the requirements established for the installation.

Durability and Maintenance

Durability depends on more than the material itself. Weather exposure, soil conditions, drainage, traffic volume, vehicle weight, installation quality, and maintenance can all affect how long a cattle guard remains in good condition.

Steel cattle guards can be finished or treated in different ways to help address exposure to moisture and the environment. Keeping soil, rocks, and other debris from accumulating around and beneath the cattle guard can also help maintain proper operation and drainage.

Concrete requires its own inspection and maintenance considerations, particularly where cracking, drainage, or movement could affect the installation. Composite and plastic products generally have different maintenance requirements, but their specific limitations should be checked with the manufacturer.

Foundations and Site Preparation

The cattle guard itself is only part of the installation. A properly prepared foundation helps support the guard and maintain the intended position and elevation under traffic.

Site conditions should be evaluated before installation, including soil, drainage, slope, road surface, and the expected type of traffic. Poor drainage can create problems around any cattle guard, regardless of the material used.

Barn World also offers cattle guard foundations and wings to help complete an installation and connect the cattle guard with the surrounding fence or roadway.

Material Is Only One Part of Cattle Guard Selection

Choosing a cattle guard should involve more than comparing steel with concrete or another material. The size of the opening, expected vehicle traffic, livestock, load requirements, foundation, and site conditions all need to be considered.

For a ranch entrance or pasture road primarily used by pickups and other lighter vehicles, the requirements may be different from an entrance crossed by loaded livestock trailers, farm equipment, or commercial trucks.

For public roads or other locations subject to transportation requirements, check with the applicable state, county, or local roadway authority before selecting and installing a cattle guard. Requirements can vary by location and project.

Choosing a Cattle Guard for Your Application

When comparing cattle guards, start by identifying how the crossing will be used. Consider the largest and heaviest vehicles expected to cross, how frequently they will use the crossing, the available space, and the type of livestock the guard needs to contain.

Next, compare the cattle guard's construction, dimensions, load rating, foundation requirements, and available accessories. A properly selected and installed cattle guard should work as part of the entire entrance system rather than as an isolated component.

Steel is a practical choice for many applications because it can be manufactured in a range of configurations and load ratings. Round and flat rail designs provide additional options when selecting a cattle guard for a particular site.

Frequently Asked Questions About Cattle Guard Materials

What are cattle guards made of?

Cattle guards can be made from steel, concrete, composite materials, plastic, and, in some applications, wood. Steel is widely used because of its strength, durability, and range of available designs.

What is the most common material for cattle guards?

Steel is a common material for cattle guards, particularly where the crossing will experience regular vehicle traffic. The specific steel construction and load rating are important factors when selecting a cattle guard.

Does the material determine a cattle guard's load rating?

No. Load capacity depends on the complete structural design, including the material, rail dimensions, supporting members, span, and other construction details. Always use the manufacturer's stated rating for the specific cattle guard.

Are steel cattle guards suitable for heavy vehicles?

Some steel cattle guards are designed and rated for heavy vehicle traffic. Check the specific load rating and installation requirements before using a cattle guard where heavy trucks, trailers, or equipment will cross.

Do cattle guard materials affect maintenance?

Yes. Different materials have different maintenance considerations. Steel, concrete, composite, plastic, and wood can respond differently to moisture, weather, soil conditions, and repeated traffic.

What should I consider when choosing a cattle guard material?

Consider vehicle weight, traffic frequency, cattle and other livestock, cattle guard dimensions, load rating, site conditions, drainage, foundation requirements, and the expected service life of the installation.

Find the Right Cattle Guard for Your Installation

The best material depends on the application rather than on material alone. Steel, concrete, composite, plastic, and wood each have different characteristics, while the cattle guard's structural design determines how it performs under traffic.

Compare the available designs, dimensions, load ratings, and installation components before selecting a cattle guard. For applications with specific roadway or structural requirements, confirm those requirements with the appropriate authority or project professional before ordering.

 

Contact Barn World today for help with your Cattle Guard project!