Hongshan Bridge, Hongtang Bridge, is the west exit channel of Fuzhou city, which is often congested during peak hours. The reporter learned yesterday that the preliminary design and budget of the expansion and reconstruction project from Hongshan Bridge to Hongtang Bridge (Hongshan Bridge to the Third Ring Road) have been approved by the provincial Development and Reform Commission. The preliminary design budget is about 1.537 billion yuan, with a total construction period of 4 years; after widening, the main line has two-way eight lanes.
The design speed is 60 kilometers per hour.
The project has a total length of 2 kilometers, starting from the intersection of Hongshan Bridge, Yangqiao West Road and honggan Road. It is laid along the existing roads and rebuilt Hongshan Bridge across Minjiang River, and after crossing Minjiang Avenue and shangxiadian Road, the route is divided into two sets (left tunnel and right Mingdong) through Miaofeng Mountain, meeting at the south gate of Agriculture and Forestry University, and connecting the end point to Hongtang, Sanhuan Expressway. The main line has two-way eight lanes with a design speed of 60 kilometers per hour. 1 New Nongda overpass with a clear width of 5 meters.
Hongshan Bridge is located between the second ring road and the third ring road, and plays an important role in connecting the central urban area with Nantai Island, the Third Ring Road and the University City. The existing Hongshan Bridge is 364 meters long and has two-way four lanes. It has been in service for 30 years. After the reconstruction of Hongshan Bridge, the main bridge adopts the open-web continuous beam bridge, and the whole bridge is 47.5 meters wide.
Traffic across the river will not be interrupted
Four bus tunnels are arranged along the Hongshan Bridge to the Third Ring Road, namely Miaofeng Mountain Tunnel, Yang Hong tunnel, Minshang tunnel and bus parking lot channel. Among them, the right side of the existing tunnel in Miaofeng Mountain has been dismantled, and a new two-box rectangular tunnel has been built, with a length of 210 meters; The left side has a new arch structure tunnel, with a length of 250 meters.
There will also be 4 pedestrian crossing channels along the line, namely pedestrian crossing at the intersection of honggan Road, Yangqiao West Road, pedestrian crossing at the intersection of Hongshan Bridge West Bridge, pedestrian crossing at the intersection of shangxiadian Road, Minjiang Avenue, the transverse passage of Miaofeng Road adopts reinforced concrete structure, with a width of 5 meters and a clear height of 2.5 meters.
The road is not closed during the construction of the project, but traffic diversion and flow change will be carried out in local time and local direction as needed. At the same time, the main body of the bridge will be divided into sections to ensure that the traffic across the river at this point will not be interrupted. The new bridge is construction north and a half (Drum Tower to Cangshan), and then the south half of the old bridge is demolished (Cangshan to Gulou).
It is also known that the tender for Hongtang bridge renovation design has been completed in February, and preliminary design is being carried out, and construction is expected to start before the end of this year. (Haidu reporter Zheng liangli Yi)