Flooding triggered by incessant rain and upstream waters have caused severe damage to around 600 kilometres(km) of 25 different stretches of road in seven upazilas of Sunamganj until Friday.
The damaged roads have been causing much difficulties to commuters in these areas.
The first phase of the flood started June 26-27 and the water levels started receding around July 6-7, only to rise again from July 11, according to Ministry of Disaster Management and Relief sources.
The Katakhali stretch of the Sunamganj-Chhatak road was damaged on a small scale in the first phase of the floods. However, in the second phase the prolonged water pressure the road sustained critical damage at different points.
The particular stretches of roads damaged by the floodwaters, were the Sunamganj-Jamalganj road, the Jamalganj-Selimganj road, the Jauabazar-Bhatgaon regional road in Chhatak upazila, and many others, according to Local Government Engineering Department (LGED) sources.
Engineer Mahbub Alam of LGED said about 600km of road have sustained damage and around 50 bridges and culverts broke down or got disconnected from roads in the district.
He also said the estimated loss of the damage is at least Tk300 crore and it may increase more as the flood waters recede.
About 1081km of roads are currently inundated in the district, said Mahbub, adding that the repair work would begin after the flood is over and higher authorities have been informed of the matter.
According to the district's flood control room, 12,067 people hit by the floods are currently in 338 shelter centres and some 108,229 families have sustained losses in this season's floods.
Until now, 865 tons of rice, and around Tk52 lakh in cash and other food stuff, were distributed to people affected by the floods in the district.
All the rivers in Sunamganj have been flowing close to the danger line until Friday morning and the trend could continue for the next few days, according to the district's Water Development Board Executive Engineer, Md Sabibur Rahman.
He said the coming flood conditions in the district will depend on rain and the flow of waters from upstream of Bangladesh.