1. Which of the following bridges connects Nghe An and Ha Tinh provinces?

  • My Thinh Bridge
  • Yen Xuan Bridge
  • Xuan Duong Bridge
  • Cua Nhuong Bridge
Exactly

Yen Xuan Bridge is one of five bridges spanning the Lam River, connecting Nghe An and Ha Tinh provinces. This bridge is 3.6km long, of which the bridge is nearly 1.9km and the approach roads at both ends are about 1.4km, 9m wide. The project has an investment capital of 730 billion VND, inaugurated in 2016. After completion, the bridge has solved the travel needs of more than a dozen communes in Nghe An and Ha Tinh provinces - which are considered "oasis" during floods.

2. Where is the first road bridge across Lam River?

  • Cua Sot Bridge
  • Ben Thuy Bridge I
  • Hung Duc Bridge
  • Bridge of Protection
Exactly

Ben Thuy I Bridge is 630.5m long, 12m wide, with 13 spans, connecting Ben Thuy ward, Vinh city (Nghe An) with Xuan An town, Nghi Xuan district (Ha Tinh) in the North - South direction. The project was built in 1986 and inaugurated in 1990. This is the first road bridge across Lam river, the second largest in the country, after Thang Long bridge in Hanoi built after 1975.

3. Which bridge has just been completed, connecting Nghe An and Ha Tinh provinces?

  • Hung Duc Bridge
  • Do Mountain Bridge
  • Hoa An Bridge
  • Moon Bridge
Exactly

Hung Duc Bridge, completed in June 2024, is part of the Dien Chau - Bai Vot Expressway. The bridge has a total investment of more than 1,300 billion VND, with the main section crossing the Lam River, connecting the North bank in Hung Nguyen district (Nghe An) and the South bank in Duc Tho district (Ha Tinh).

Construction started in May 2022, with a total length of nearly 4.1km with 90 spans, a 17.5m wide bridge with 4 lanes, a hard median strip in the middle, and a design speed of 80km/h. This is the longest river-crossing bridge on the entire North-South Expressway.

This is the 5th bridge connecting the two banks of Lam River, contributing to promoting trade and economic development of Nghe An and Ha Tinh, after Ben Thuy I and II, Yen Xuan and Cua Hoi bridges.

4. Of these 5 bridges, which bridge has a lotus bud shape on a concrete pillar?

  • Cua Hoi Bridge
  • Ben Thuy Bridge I
  • Ben Thuy Bridge II
  • Yen Xuan Bridge
Exactly

Cua Hoi Bridge is a bridge with 22 pillars with the architectural highlight being the lotus bud shape on the concrete pillars. The bridge is 5.2km long, the main bridge is 1.7km long, the main bridge is 18.5m wide, the approach bridge is 16m wide. On the Nghe An side, the project is located in Nghi Hai ward (Cua Lo town), the other end is in Nghi Xuan district (Ha Tinh). The project started in February 2019, with a total investment of 950 billion VND. The bridge was inaugurated in 2021.

5. How many kilometers long is Lam River?

  • More than 100km
  • More than 300km
  • More than 500km
  • More than 700km
Exactly

The Lam River originates from the Xiangkhoang Plateau of Laos, the main part flows through Nghe An, the last part merges with the La River from Ha Tinh and flows into the Gulf of Tonkin at Cua Hoi. The total length of the river is about 520km, the part flowing through Vietnam is about 360km. The river flows in the Northwest - Southeast direction, when it is close to the sea it flows back to the North. There are some artificial branches that take water from the Lam River such as the Dao River.