According to Lao Dong, the Department of Transport of Phu Tho province has just announced an invitation to bid for the package of regular management and maintenance of road traffic infrastructure works in the province in the 3 years of 2025-2028 (including: Provincial routes, Dong Quang bridge, Song Lo bridge and infrastructure works serving passenger transport).

This is a regular maintenance work (the old contract has expired), implemented by the Traffic Construction and Maintenance Project Management Board (under the Department of Transport) for many years. The total implementation value in the next 3 years is nearly 80 billion VND from the Provincial Budget in 2025-2028.

For provincial roads in the area, currently with a total length of up to 844 km, regular maintenance will ensure maintaining the normal operating capacity of the project, limiting damage to the project (manerance work such as: Dredging mud in drainage ditches, cleaning the road surface to prevent water stagnation, clearing trees to prevent the disappearance of signs, filling the roadbed that has been eroded, repairing road slopes due to showers, etc.).

With Dong Quang bridge and Song Lo bridge, two large bridges across Da and Lo rivers, over the years, they have met the travel needs of people in Thanh Thuy district, Doan Hung district of Phu Tho province with neighboring localities (manerance work such as: Bridge clearance to prevent water stagnation, repair bridge cracks, patch potholes...).
Dong Quang Bridge is a bridge across the Da River, connecting Dong Trung Commune, Thanh Thuy District (left) and Minh Quang Commune, Ba Vi District, Hanoi City (right). The bridge was built on November 28, 2014, after just over a year (December 20, 2015) it was officially opened to traffic to serve the travel needs of the people.
Song Lo Bridge is a bridge across the Lo River in Doan Hung District, connecting Doan Hung Town with Hop Nhat Commune. This bridge started construction in August 2010, and was officially inaugurated and put into use on March 21, 2015.