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Structural Plate Bridges and Tunnels

A complete range of structural plate products.

AIL has been value-engineering cost-effective structural plate solutions for some of the world’s largest infrastructure applications for over 40 years. Our high-quality products, engineering excellence and innovative designs are key to delivering the best results for our clients. We manufacture a complete range of plate bridges to handle every need and budget.


The world's strongest structural steel plate for extreme strength and durability. » more
Super•Cor Structural Steel Plate Products, Atlantic Industries Limited, AIL


Premium, hot-dip-galvanized, deep-corrugated, structural plate is ideal for larger applications, including box culverts.  » more

Four- Flange Structural Liner

The Four-Flange Structural Liner is 10 times stiffer and 5 times stronger than traditional steel liner plate.   » more

Bolt-A-Plate Structural Steel Plate Products, Atlantic Industries Limited, AIL


Industry-standard, hot-dip-galvanized, corrugated, steel structural plate is recommended for less-demanding applications.

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Dur•A•Span Structural Aluminum Plate Products, Atlantic Industries Limited, AIL


Corrosion/abrasion-resistant, solid aluminum alloy structural plate is ideal for saltwater and aggressive soil environments.

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Pre-Engineered Packaged Solutions for Arches and Bridges

Smaller structural plate Arches, Box Culverts and Rounds with all the precast components needed to complete your project—all ready to ship to your site.

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Geotextile Reinforced Soil
Bridges (GRS)

Ideal for economical resource road crossings with a wide array of benefits.

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A high-performance Best•Kote Polymer Coating developed to extend the service life of structural plate products.

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Atlantic Arch 

Lightweight, strong and corrosion/abrasion-resistant, Atlantic Arch Structural Plate is one of the most cost-effective fish passage solutions on the market.

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