S5 E4 ∙ Seattle's Floating Bridge ∙
A floating bridge in Seattle, one of the longest in the world, intended to connect the growing suburb of Bellevue with the high-tech downtown heart of the city.
All episodes for series 5 of Impossible Engineering
S5 E1 · London's Super Sewer
A multibillion-pound 32km super sewer under the streets of London.
S5 E2 · Bluewaters Island
A vast new island which has been created in the seas off Dubai.
S5 E3 · Whistler
The construction of Whistler on the Canadian Pacific seaboard.
S5 E4 · Seattle's Floating Bridge
A floating bridge in Seattle, one of the longest in the world.
S5 E5 · Boka Vanguard
The Boka Vanguard, the largest heavy lift ship on Earth.
S5 E6 · NATO's AWACs
Nato's Airborne Warning and Control System, known as Awac.
S5 E7 · F35
A brand new, revolutionary, fighter aircraft - the F35 Lightning II.
S5 E8 · Beipanjiang First Bridge
The Beipanjiang First Bridge, the highest bridge on Earth.
S5 E9 · Infantry Assault
The incredible machines built to get troops directly to the front line.
S5 E10 · The Independent
The Independent, a residential skyscraper in Austin, Texas.
S5 E11 · Supertanker Europe
A look at the world's biggest oil tanker.
S5 E12 · Beijing Daxing
A look at the construction of Beijing Daxing International Airport.
S5 E13 · 111 W. 57th Street
The construction of the worlds thinnest sky scrapper built on 111 W. 57th St in New York.
S5 E14 · South-North Water Diversion
Chinese authorities attempt to move vast amounts of water from the South to the North.
S5 E15 · The Falkirk Wheel
A look at the engineering behind the Falkirk Wheel in Scotland.
S5 E16 · Stratolaunch
Following those on the first flight of the biggest aeroplane ever built - Stratolaunch.
