As per TDS
SupRB/Nat/Maint/21-22/ W-291 1) Major Maintenance of 8.50m long RCC Girder Bridge on Ratal-Biash (Dahia UP) Road at Ch.5212m [169913004], 2) Major Maintenance of 7.00 m long Box Culvert on Ratal-Biash (Dahia UP) Road at Ch.662m [169913004], 3) Major Maintenance of 6.77m long Box Culvert on Singra-Baruhash-Tarash Road at Ch 13360m [169912010], 4) Major Maintenance of 60.50m long Steel Beam & RCC Slab Bridge on Singra - Kalam GC Road at Ch 1610m (Old Chainage 1626m) [169912004] under Upaila: Singra, District: Natore.