Dur-A-Span™

“Aluminum Structural Plate” (9" x 2.5" corrugation)

The strength and longevity of aluminum structural plate has been proven with the success of over thousands of structures installed from coast to rugged coast. Corrugated aluminum box culverts and arches are usually supplied with an open invert to promote fish passage. Pipe arch, round and underpass shapes are also available.

Dur-A-Span Structure

Traditional RCBs

Dur·A·Span®StructureVs.Traditional RCBs
» 96 sq. ft. total useable end area (using above example) » 96 sq. ft. total useable end area (using above example)
» Light weight » Heavy, difficult to handle
» Single openings prevent debris build-up » Debris maintenance issues
» Mechanical joints eliminate separation issues » Joint separation issues
» Continuous footing eliminates settlement issues » Differential settlement issues

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Dur-A-Span