The document summarizes the construction of bridges and roads under the Cross Border Road Network Improvement Project (CBRNIP) Package-B. It describes the key steps in bridge construction including substructure work like pile construction, pile caps, abutments; superstructure work like precast prestressed I-girders and deck slabs; and miscellaneous work. It also outlines the main steps in flexible pavement construction for the approach roads including embankment, subgrade preparation, installation of sub-base, base and wearing courses, along with drainage and safety features. CBRNIP involves the reconstruction of 8 bridges and 7 box culverts along with their approach roads on the Baraiyarhat-Heako-