#1 Longest Suspension Bridge in the World: Akashi-Kaikyo Bridge, Japan
At 1,991 meters (6,532 ft; 1.237 mi.) the Akashi Kaikyo Bridge (also known as the Pearl Bridge) has the longest central span of any of the world’s suspension bridges. The bridge links the Japanese city of Kobe to the city of Iwaya on Awaji Island.
#2 Longest Inhabited Bridge – Kramerbruche – Erfurt, Germany
The Kramerbruche (Merchant’s Bridge) dates from 1535. Today, most of the 32 houses are home to artisans and antique shops. Erfurt’s city festival is held annually in June, and centers around the bridge and the old town.
#3 Longest Bridge Over Open Water Lake Pontchartrain Causeway, Louisiana
Be sure to gas up before hand. You’ll be driving approximately 24 miles before you’re wheels are on land again! Actually, the bridge has lost it claim to fame. The Guinness Book of World Records now lists the Qingdao Bay Bridge in China as the longest with 25.171 km spanning over the sea. See #9 on this list.
#4 Longest Covered Bridge – Hartland Bridge, Hartland, New Brunswick, Canada
The Hartland Bridge in New Brunswick, Canada, in the town with same name, is the world’s longest covered bridge, at 1,282 feet (391 m) long. The bridge crosses the Saint John River from Hartland to Somerville, New Brunswick, Canada.
#5 Longest Ice Bridge – Beaufort Sea Road, Alaska
It not a big surprise the Alaska boasts the longest ice bridge in the world (68 miles, 109 k)
#6 Longest Rail Bridge – Danyang Kunshan Grand Bridge, China
The Danyang-Kunshan Grand bridge is a 164.8 km (or 102.4 mile) long viaduct on the Beijing to Shanghai high speed railway system.
#6 Longest Natural Arch – Xianren Bridge (Fairy Bridge) – Guangxi, China
Carved of limestone karst, the Fairy Bridge is found on the Buliu River in the northern part of China’s Guangxi Province. If you really want to see this bridge be prepared for a three-hour rafting trip. There is no other way to get into its remote location! The bridge’s span was measured for the first time in 2010 and found to be 400 ft (121.9 m) in length.
#7 Longest Masonry Arch Bridge – Pont de la Liberation, Villeneuve-Sur-Lot, France
Comprised of brick and un-reinforced concrete, at 315 ft the Pont de la Liberation may not be the longest bridge in the world, but it the longest in its class. These bridges are know for lasting hundreds of year, so at just over 100 years old, this one should be around for a while yet.
#8 Longest Wooden Bridge: U Bein Bridge, Amarapura, Myanmar
The 264-year-old U Bein Bridge is built almost entirely out of teak wood, allegedly reclaimed from a former Ava Kingdom. The three-quarter-mile walkway zigzags 15 feet above mud flats. Plan to arrive near sunset to enjoy the jaw dropping beauty.
#9 Longest Sea Bridge: Qingdao Bay Bridge, China
Opened on July 1st, 2011, the bridge connects the Chinese cities of Qingdao and Huangdao. The bridge is 41.58km in length, 25.171 km is over the sea.
Sourced from: http://www.updateworld.blogspot.com/
#11 Longest Canopy Walkway – Taman Negara Canopy Walkway, Kuala Lumpur, Malaysia
Stretching 530 meters in length and 40 meters above the forest floor the walkway provides a bird’s eye view of the rain forests 5 primary canopy layers.