Bridge A structure carrying a road, path, railway or similar over an obstacle such as a watercourse, road or valley. Includes road bridges, railway bridges and footbridges. Culverts of significant length may be modelled as bridges when required by the product specification. feature पुल जलमार्ग, सड़क या घाटी जैसे अवरोध के ऊपर मार्ग वहन करने वाली संरचना।