Tongren-Huaihua Expressway (Guizhou section) was completed.

Tongren-Huaihua Expressway (Guizhou section) photographed by drone on May 22. On may 2 1 day, Tongren-Huaihua expressway (Guizhou section) passed the handover acceptance, and the project construction was completely completed. Tongren-Huaihua Expressway (Guizhou section) has a total length of 33.778 kilometers and a design speed of 80 kilometers per hour. Xinhua News Agency reporter Tao Liang photo

Jinjiang Bridge of Tongren-Huaihua Expressway (Guizhou Section) photographed by drone on May 22nd. On may 2 1 day, Tongren-Huaihua expressway (Guizhou section) passed the handover acceptance, and the project construction was completely completed. Tongren-Huaihua Expressway (Guizhou section) has a total length of 33.778 kilometers and a design speed of 80 kilometers per hour. Xinhua News Agency reporter Tao Liang photo

Tongmai, Tibet: "four tunnels and two bridges" make natural disasters a thoroughfare

This is the forced Longgou Bridge on Tongmai Road (photo taken on May 15).

The Tongmai section of Sichuan-Tibet Highway in bomi county, Linzhi City, Tibet was once called "Tongmai Natural Danger". Tongmai section has deep valleys and narrow roads, and the roads are tortuous. Debris flows, landslides and falling rocks often occur in summer. In recent years, with the completion of "four tunnels and two bridges" in Palong 1 and No.2 tunnels, Xiaohuzui Tunnel, Feishiya Tunnel, Forced Longgou Bridge and Tongmai Bridge, which were once prohibitive, have become a thoroughfare. Xinhua News Agency reporter Xin Li photo

This is the Tongmai Bridge in Tongmai Section (photo taken in May 15). Xinhua News Agency reporter Xin Li photo

This is the Feishiya Tunnel on Tongmai Road (photographed by UAV in May 15). Xinhua News Agency reporter Xin Li photo

This is the Tongmai Bridge in the Tongmai section (photographed by drone in May 15). Xinhua News Agency reporter Xin Li photo

This is the forced Longgou Bridge on Tongmai Road (May 15 UAV shooting). Xinhua News Agency reporter Xin Li photo

This is the forced Longgou Bridge across the Palong Zangbo River Gorge in Tongmai section, as well as Palong Tunnel 1 (left) and Palong Tunnel 2 (photographed by UAV in May 15). Xinhua News Agency reporter Xin Li photo

This is the Little Tiger Tunnel on Tongmai Road (photo taken in May 15). Xinhua News Agency reporter Xin Li photo

On May 15, a car drove into Palong No.2 Tunnel from Longgou Bridge, which was forcibly passed. Xinhua News Agency reporter Xin Li photo

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From Zhao Zhouqiao to Hong Kong-Zhuhai-Macao Bridge, the inventory of Chinese bridges is the best in the world.

Xinhua News Agency reporter Liang Xushe

Shenzhen News Network News China's highway bridges and railway bridges have developed rapidly, and both the number and quality of bridges have ranked among the top in the world, making it the largest bridge country in the world. China not only retains ancient bridges as long as Zhao Zhouqiao, but also has more and more complicated modern bridges.

At present, the oldest and best-preserved ancient open-shouldered stone arch bridge-Zhao Zhouqiao Zhao Zhouqiao, also known as Anji Bridge, is called "Dashiqiao" locally because the bridge body is made of stone. Built in the Sui Dynasty from 595 to 605, it was designed and built by the famous craftsman Li Chun. It has a history of 1400 years. It is the second and best preserved ancient single-hole open-shouldered stone arch bridge in the world today.

The longest sea-crossing bridge in the world-Hong Kong-Zhuhai-Macao Bridge starts from Hong Kong in the east and reaches Zhuhai and Macao in the west, with a total length of 55 kilometers. It is the first cross-sea passage in China that integrates bridges, double artificial islands and tunnels, and it is also the longest cross-sea bridge in the world. The Hong Kong-Zhuhai-Macao Bridge was officially opened to traffic on 20 18124 October, and it only takes 30 minutes to drive from Hong Kong to Zhuhai and Macau.

Hutong Yangtze River Bridge is the largest span railway and railway bridge in the world. It is a control project across the Yangtze River in the Shanghai-Nantong railway section of China coastal railway corridor, connecting Nantong City and Zhangjiagang City in Jiangsu Province. The main bridge is designed as a twin-tower cable-stayed bridge with a main span of1.092m, which is the largest railway and railway cable-stayed bridge in the world at present. The bridge started on March 20 14 1, and the planned construction period is five and a half years. After completion, it will become an important railway and highway crossing channel in the Yangtze River Delta region.

Siduhe Bridge, the highest suspension bridge in the world, is located in Siduhe, Yesanguan Town, Badong County. The main span of the bridge is 900 meters, and the height difference between the deck and the bottom is 560 meters, which is equivalent to 200 floors. At present, it is the largest suspension bridge built in a deep mountain valley in China, which is 290 meters higher than the French Mi Yue Bridge, the world's largest bridge, and is known as the world's tallest suspension bridge.

Chaotianmen Yangtze River Bridge, the world's largest steel arch bridge, has a main span of 552 meters, surpassing Huangpu Bridge with a span of 550 meters built in 1996, becoming the world's largest steel arch bridge. Construction started in March 2006 and was opened to traffic in April 2009.

Chongqing Shibanpo Yangtze River Double Track Bridge is the longest span bridge, with a span of 330 meters. The double-track bridge of Shibanpo Yangtze River Bridge in Chongqing was officially started at 65438+ on February 2003, and was completed and opened to traffic on August 28, 2006, with a total length of 1 103.5m and a width of 19m. It is a one-way four-lane bridge with a designed daily capacity of 80,000 vehicles.

Sutong Yangtze River Bridge is the largest cable-stayed bridge with a span of1.088m, which is located between Nantong City and Suzhou City in the east of Jiangsu Province. It is 82km away from Jiangyin Bridge in the west and 0/08km away from the Changjiang Estuary/KLOC-0 in the east, which is an important cross-river node of Jiangsu highway skeleton.

Xihoumen Bridge is the largest suspension bridge with a span of1.650m. It is a super-large cross-sea bridge with the highest technical requirements among the five cross-sea bridges connecting Zhoushan Island and Ningbo. After the completion of Xihoumen Bridge, Zhoushan traffic will be integrated into the Yangtze River Delta expressway network, which will be beneficial to the development of Zhoushan Port resources, effectively promote the integration of Ningbo and Zhoushan Port, and play an important role in the economic development around Hangzhou Bay and the Yangtze River Delta.

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