World’s longest bridges

Manchac swamp bridge, USA

The Manchac Swamp Bridge is a twin concrete trestle bridge.

Wuhan metro bridge, China

The Wuhan Metro Bridge is the first elevated Metro line in Wuhan.

Lake pontchartrain causeway, USA

It's touted to be one of the scariest bridges in the world, at either end when you're in the middle, and it looks as though the bridge is stretching off forever.

Bang na expressway, Thailand

The Bang Na Expressway is a box-girder viaduct bridge, and six-lane elevated highway and toll road in Thailand.

Weinan weihe grand bridge, China

The Weinan Weihe Grande Bridge crosses the Wei River, China's "natural gateway to the west".

Tianjin grand bridge, China

The Tianjin Grand Bridge is another bridge that forms part of the Beijing–Shanghai High-Speed Railway.

The danyang-kunshan grand bridge, China

The Danyang-Kunshan Grand Bridge in China currently holds the record for the longest bridge in the world, coming in at a whopping 164km long.