Structural Plate Bridges and Tunnels

Bolt-A-Plate

olt-A-Plate Structural Steel Plate in twin culverts under road.
Bolt-A-Plate Structural Steel Plate in portal for mine decline tunnel.

Industry-standard, hot-dip-galvanized, Bolt-A-Plate Structural Steel Plate for medium and small applications.

For a strong, effective bridging alternative, Bolt-A-Plate is the product of choice for its lightweight, strength and versatility. Bolt-A-Plate is available in a wide variety of shapes and sizes. It is perfect for highly economical bridge and drainage structure construction or replacement, as well as many other applications in the transportation, public works, mining and forestry sectors.

Benefits

  • Spans of 1.5 m (5') to 12 m (40')
  • Corrugation profile of 152.4 mm (6") pitch x 51 mm (2") depth
  • Available in: Standard, Low or High Profile Arches; Rounds; Horizontal or Vertical Ellipses; Pipe Arches; and Pear Shaped
  • Bottomless designs are environmentally-friendly
  • Can reline older structures
  • Available with Best•Kote Polymer Coating

Applications

  • Structural Plate Arches and Bridges
  • Grade Separations
  • Road or Rail Underpasses
  • Stream Crossings
  • Fish Passages
  • Heavy Haul Road Arches
  • Stockpile and Escape Tunnels
  • Portals and Canopies
  • Storage Structures
  • Utilidor Systems
  • Conveyor Covers and Overcasts
  • Culvert Relines

The corrugation profile of Bolt-A-Plate gives it strength to support heavy duty loads.

Cross-section drawing of Bolt-A-Plate with measurements.

Bolt-A-Plate is available in the widest variety of shapes to suit many different applications:

Cross-section profile drawing of AIL Bolt-A-Plate Standard Arch

Cross-section profile drawing of AIL Bolt-A-Plate Low Profile Arch  Cross-section profile drawing of AIL Bolt-A-Plate High Profile Arch  Cross-section profile drawing of AIL Bolt-A-Plate Round

Standard Arch


 

Low Profile Arch


High Profile Arch


Round

Cross-section profile drawing of AIL Bolt-A-Plate Horizontal Ellipse

Cross-section profile drawing of AIL Bolt-A-Plate Vertical Ellipse  Cross-section profile drawing of AIL Bolt-A-Plate Pipe Arch
 Cross-section profile drawing of AIL Bolt-A-Plate Pear Shaped

Horizontal Ellipse

 

Vertical Ellipse

 

Pipe Arch

 

Pear Shaped


AIL's Structural Steel Plate solutions are easy to ship and install.

Long-lasting and virtually maintenance-free, AIL’s corrugated metal structures ship and install quickly and economically, with minimal equipment and labour requirements. Our technical teams will guide you through the complete project to ensure its success.

Reinforced concrete footings are cast over the prepared site.
The first arch segment is completely assembled on the ground.

Reinforced concrete footings are cast over the prepared site.

The first arch segment is completely assembled on the ground.

Then, it is lifted into place and bolted to the footings on either side.
The segments bolt into base channels, integrated into the concrete.

Then, it is lifted into place and bolted to the footings on either side.

The segments bolt into base channels, integrated into the concrete.

Plates then attach individually to make up other arch segments.
If specified, reinforcement ribs are then added.

Plates then attach individually to make up other arch segments.

If specified, reinforcement ribs are then added.

Layers of engineered backfill are added in sequential lifts.
Then the completed road surface is added with safety barriers.

Layers of engineered backfill are added in sequential lifts.

Then the completed road surface is added with safety barriers.

Bolt-A-Plate is ideal for a wide variety of applications.

AIL Bolt-A-Plate Structural Steel Plate Arches as mine site stockpile tunnels.
IL Bolt-A-Plate Structural Steel Plate Arch as mine site haul road arch.
AIL Bolt-A-Plate Structural Steel Plate Arch as electric rail train canopy.
AIL Bolt-A-Plate Structural Steel Plate culverts under construction.AIL Bolt-A-Plate Structural Steel Plate Arch as mine site conveyor cover.
AIL Bolt-A-Plate Structural Steel Plate Arch with built-in footings being lifted into place by excavator.
AIL Bolt-A-Plate Structural Steel Plate Arch with brick headwall. AIL Bolt-A-Plate Structural Steel Plate Arch as mine site conveyer covers.
IL Bolt-A-Plate Structural Steel Plate Arches as mine site stockpile tunnels.



Bolt-A-Plate
Bolt-a-Plate

Learn more about Bolt-A-Plate

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BC recreation/wildlife; eight-day plate assembly


Watch an AIL Bolt-A-Plate structure assemble in eight days in this Okanagan Valley project.

» Explore this project

Bolt-A-Plate arch follows meandering creak to save time and money.
 

Save time, money and environment

Crossing bends with creek to save time, money, environment.

» Explore this project