Damchu-Chukha realignment, Phuentsholing-Thimpu Highway, Bhutan
Sirapachu Nallah is the smallest of the Nallahs that needed to be bridged for the Damchu-Chukha realignment of the Phuentsholing-Thimpu Highway. The bridge is a standard 30 m PSC box structure resting on wall-type abutments.