The Neak Loeung Bridge, at 2,215 meters long with a 320-meter main span, is currently the largest bridge in Cambodia.

Neak Loeung Bridge

The Neak Loeung Bridge is a cable-stayed bridge crossing the Mekong River in Neak Loeung, part of Highway 1 connecting Phnom Penh to Ho Chi Minh City in Vietnam. It measures 2,215 meters in total length, with a main span of 320 meters, making it the largest bridge in Cambodia. Construction began in 2011 and the bridge opened to traffic in 2015, significantly improving regional connectivity and trade along this major route .

Other Notable Large Bridges

• Mekong Bridge (Stung Treng Province): Total length of 1,731 meters, connecting Stung Treng to Preah Vihear. Opened in 2015, it was funded partly by China and the Cambodian government .
• Koh Kong Bridge: A 1,900-meter-long sea-crossing bridge linking Koh Kong City to the opposite bank, facilitating trade between Cambodia and Thailand. Opened in 2002, it is a key transport route for goods .
• Kizuna Bridge: Spanning the Mekong River in Kampong Cham Province, this 1,500-meter bridge was built with Japanese funding and opened in 2001. It is featured on the 500 Cambodian Riel banknote .
• Prek Tamak Bridge: Located near Phnom Penh, it is 1,066 meters long, completed in 2010 with Chinese financial assistance .

Upcoming Infrastructure

Cambodia is also completing a new high bridge on National Highway 10, connecting Samlout and Koh Kong. This bridge is 1.6 kilometers long and 90 meters high, with a 2.1-kilometer connecting road, designed by the China Road and Bridge Corporation. Scheduled for completion in May 2025, it aims to improve traffic flow and regional economic development .

Significance

These large-span bridges are crucial for Cambodia's infrastructure, enabling efficient transportation across the Mekong and other rivers, supporting trade, tourism, and regional connectivity. Cable-stayed designs like the Neak Loeung Bridge demonstrate modern engineering capabilities and facilitate long-term economic growth .