Posted by IRC 6-2014 is a standard for calculations of loads and stresses for road bridges. This standard stipulates criteria for calculations of Dead load, Live load, Impact load, Wind load, and seismic loads.
Download IRC 6-2014 PDF with this link
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Download IRC 5-2014 (section 1) general features and design
Download IRC 78-2014 (section 7) Foundations and Substructures
Download NBC 2016 – Volume 1 & Volume 2 [PDF]
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Types of Bridges as per Different Criteria