Superspan is a specialty molded grating that provides the versatility of molded grating yet is approximately 90% stiffer than standard 1-1/2" thick molded gratings. This results in spans of up to 48" with 100 psf load. Typically used in bridges, and high strength trench covers, this ADA compliant product provides the flexibility of molded grating with the strength of pultruded grating.