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Landmark Engineering Series · Interactive Quiz
Ten questions, ten spans. Every correct answer lays a section of deck across the canyon below. Miss one and you leave a gap. Along the way you'll learn how bridges actually stand up, which ones hold today's world records, and how to recognise the famous crossings that turn up in photo-based trivia.
Bridges are some of the most photographed structures on Earth, which is exactly why they make such good quiz material. A single image of a span over water hides a surprising amount of information: the shape of its towers tells you its era, the way its cables hang tells you its type, and its surroundings usually give away the city. If you enjoy daily photo trivia, learning to "read" a bridge is one of the most useful skills you can pick up.
This guide is built around a 10-question interactive quiz, but the quiz is only half the value. Before you start, a one-minute field guide explains the six main bridge types. After it, you'll find a record board checked against current sources (several records changed in 2022 and 2025), fact files on eight landmark crossings, and the mix-ups that trip up even confident players. When you're done, Take Bing Homepage Quiz Today to try a fresh topic.
A bridge is a solution to a specific problem: a gap that needs crossing, with a particular kind of ground on each side and a particular kind of traffic on top. That means every famous bridge carries a story about its place. The Ponte Vecchio exists because medieval Florence needed a trading street over the Arno. The Golden Gate Bridge exists because engineers believed they could hang a road across a foggy, windy strait that many said could not be spanned. The Huajiang Grand Canyon Bridge exists because a gorge in Guizhou turned a two-minute crossing into a two-hour drive.
For quiz players, that's good news. Questions about bridges rarely test one isolated fact. They test geography (which river, which city), history (when, and who built it), and engineering (what kind of structure). Once you understand the logic behind a bridge, the details stick far better than a memorised list ever could.
Bridges are also photogenic in a way few buildings are. They're framed by water, sky and city skylines, they look different at dawn and dusk, and they're often lit up at night. That's why they appear so often in travel photography, and why landmark-based quizzes, including daily homepage-style trivia, return to them again and again.
Every bridge has to move the weight of its deck and traffic down into the ground. The type of bridge is simply the route that weight takes. Engineers talk about two forces: compression (pushing, squeezing) and tension (pulling, stretching). Each design handles them differently, and that difference is what you see in its silhouette.
A rigid deck rests on supports. The top of the beam is squeezed while the bottom is stretched, so spans stay fairly short, but you can repeat them for miles.
Example: Louisiana's Lake Pontchartrain Causeway, a chain of short concrete spans nearly 24 miles long.
A curve carries the load in compression and pushes outward into solid abutments at each end. Stone is excellent in compression, which is why Roman arches still stand.
Examples: Pont du Gard (stone), Sydney Harbour Bridge (steel).
A framework of triangles. Because a triangle can't change shape without a member changing length, forces split neatly into pulls and pushes along each bar.
Example: the Astoria–Megler Bridge across the Columbia River, USA.
Arms project outward from piers and balance each other, often with a short suspended span dropped in between. It's how 19th-century engineers spanned wide estuaries in steel.
Examples: Scotland's Forth Bridge; Canada's Quebec Bridge, which holds the longest cantilever span (549 m).
The deck hangs from vertical suspenders attached to main cables, which drape over towers and are anchored into the ground at each end. It's the champion of long spans.
Examples: Golden Gate Bridge; 1915 Çanakkale Bridge.
Straight cables run directly from the tower to the deck, in a fan or harp pattern. No big anchorages are needed, which suits medium-to-long spans and dramatic valleys.
Examples: Millau Viaduct, France; the main span of the Øresund Bridge.
Quick tell: if the cables curve and the deck hangs from vertical lines, it's a suspension bridge. If the cables are straight diagonals running from tower to deck, it's cable-stayed. Movable bridges are a separate family: a bascule lifts like a drawbridge, a swing bridge pivots sideways, and a vertical-lift bridge raises its whole deck between towers.
Answer each question to place one deck section. Your aim is a complete crossing: ten correct answers and a car makes it to the other side. There's no timer, so read carefully. Each answer comes with a short explanation.
Finished the quiz, or prefer to read first? Every answer is below. Open the panel to check your work.
Bridge records are a favourite source of trick questions because they depend on precisely what's being measured. "Longest bridge" and "longest span" are different records, and so are "highest" and "tallest." The table below lists each record with its measurement, checked against sources current to autumn 2026.
| Record | Holder | Figure | Notes |
|---|---|---|---|
| Longest suspension main span | 1915 Çanakkale Bridge, Türkiye | 2,023 m | Open since March 2022, crossing the Dardanelles. China's Zhangjinggao Yangtze River Bridge (2,300 m) is under construction and expected around 2028. |
| Previous span record | Akashi Kaikyō Bridge, Japan | 1,991 m | Held the title from 1998 to 2022, linking Kobe with Awaji Island. |
| Highest deck (above ground/water) | Huajiang Grand Canyon Bridge, China | ≈625 m | Opened 28 Sept 2025 in Guizhou, overtaking the 565 m Beipanjiang (Duge) Bridge in the same province. |
| Tallest structure | Millau Viaduct, France | ≈343 m | Measured to the top of its tallest mast; opened 2004. |
| Longest bridge overall | Danyang–Kunshan Grand Bridge, China | ≈164.8 km | A high-speed railway viaduct opened in 2011. |
| Longest continuous bridge over water | Lake Pontchartrain Causeway, USA | ≈38.4 km | Two parallel beam bridges in Louisiana. |
Measures the drop from deck to the valley floor or water below. A bridge over a deep gorge can be "highest" without very tall towers. Record holder: Huajiang Grand Canyon Bridge.
Measures the height of the structure itself, from its base to the tip of its highest tower or mast. Record holder: Millau Viaduct, about 343 m.
These eight crossings cover a spread of eras, continents and engineering styles. Know them well and you'll have a reference point for almost any bridge question.
San Francisco, USA · 1937
When it opened, its 1,280 m (4,200 ft) main span was the longest in the world, a title it kept until New York's Verrazzano-Narrows Bridge opened in 1964. Chief engineer Joseph Strauss led the project, while much of its Art Deco styling and its International Orange color came from consulting architect Irving Morrow. Its name comes from the strait it crosses, not from its paint.
Kobe–Awaji, Japan · 1998
Built across a busy, typhoon-prone strait, it held the suspension-span record for 24 years. While it was under construction, the 1995 Great Hanshin earthquake shifted its towers apart and lengthened the planned central span by nearly a metre, bringing it to its final 1,991 m.
Florence, Italy · 1345
Florence's "old bridge" is a working street with shops cantilevered over the Arno. Above them runs the Vasari Corridor, a private passage built in 1565 so the ruling Medici could walk between palaces unseen. In 1944 it was the only Florence bridge the retreating German army did not destroy. It sits within the UNESCO-listed historic centre.
Prague, Czechia · begun 1357
Commissioned by Holy Roman Emperor Charles IV, this stone bridge over the Vltava linked Prague's Old Town and Lesser Town for centuries. Its parade of about 30 statues, mostly Baroque, was added much later. Many of those on the bridge today are replicas, with originals kept in museums for protection.
Mostar, Bosnia and Herzegovina · 1566
An elegant single Ottoman arch over the Neretva, it stood for more than four centuries before being destroyed in 1993 during the Bosnian War. An international effort rebuilt it with traditional techniques and local stone, including pieces recovered from the river. It reopened in 2004, and UNESCO listed the old bridge area in 2005. Local divers still leap from its crown into the river below.
Sydney, Australia · 1932
A steel through-arch with a span of about 503 m, it carries road, rail, cycle and pedestrian traffic across Port Jackson beside the Sydney Opera House. Locals call it "the Coathanger." Since 1998, guided climbs have taken visitors over the top of the arch.
Gard, France · 1st century AD
Built by the Romans to carry an aqueduct over the Gardon river on its way to the city of Nîmes, it rises in three tiers of arches to almost 49 m. The stones were fitted largely without mortar. It became one of France's first UNESCO World Heritage Sites in 1985.
Meghalaya, India · living tradition
In the hills of northeast India, Khasi and Jaintia communities guide the aerial roots of rubber fig trees across streams until they grow into load-bearing bridges, a process that can take decades. Unlike steel, these bridges grow stronger with age. India added them to its UNESCO Tentative List in 2022.
These are the five errors that most often cost players points. Each one is easy to fix once you know the story behind it.
The bridge with two Gothic towers in London is London Bridge.
That's Tower Bridge, named after the nearby Tower of London. London Bridge is a plain concrete crossing just upstream. Its 1830s predecessor was sold in 1968 and rebuilt in Lake Havasu City, Arizona.
The Golden Gate Bridge is named after its color.
The name comes from the Golden Gate strait, named in the 1840s by explorer John C. Frémont. The bridge itself is International Orange.
"Highest" and "tallest" bridge mean the same thing.
Highest is deck-to-ground (Huajiang Grand Canyon Bridge, ≈625 m). Tallest is structure height (Millau Viaduct, ≈343 m).
The Tacoma Narrows Bridge collapsed in 1940 because of simple resonance, like a singer shattering a glass.
Engineers attribute the failure mainly to aeroelastic flutter, where wind and the deck's twisting motion fed each other. The lesson reshaped how suspension decks are tested in wind tunnels.
Venice's Bridge of Sighs is named after sighing lovers.
The popular story, spread in the 19th century partly by Lord Byron, is that prisoners sighed at their last view of Venice as they crossed from the Doge's Palace to the prisons.
Photo-based trivia, like the image-led questions on Bing's homepage, often shows a landmark first and asks about it second. Use this five-step check whenever a bridge fills the frame.
Curved cables with vertical hangers mean suspension; straight diagonal cables mean cable-stayed; a curve underneath or above the deck means arch; a forest of triangles means truss or cantilever.
Tower design is a fingerprint. Stepped Art Deco towers point to the Golden Gate; Victorian Gothic towers point to Tower Bridge; the inverted-Y pylons rising from a valley floor point to Millau.
Shops lining the bridge narrow it to a short list: the Ponte Vecchio in Florence or the Rialto in Venice. Statues along the parapets strongly suggest the Charles Bridge.
Fog and green headlands suggest San Francisco; the Opera House's sails mean Sydney; a turquoise river in a stone gorge suggests Mostar; terraced green hills and dense forest suggest Meghalaya.
Photo-of-the-day pages usually include a short description of the image. Read it closely: the question that follows often builds on a detail mentioned there.
Built a full crossing? Put your knowledge to work on a new topic every day, or switch to current events for a different kind of challenge.
Ten questions on a fresh general-knowledge theme every day, in the same spirit as the landmark photos featured on Bing's homepage.
Take Bing Homepage Quiz TodayTest how closely you've followed recent U.S. and world headlines, with explanations to fill in anything you missed.
Take Bing News Quiz NowIt's an independent, 10-question practice quiz about famous bridges around the world, written to build the kind of landmark knowledge that helps with photo-based trivia such as the Bing Homepage Quiz. Every answer comes with a short, sourced explanation.
No. This is an independent educational quiz. Bing and Microsoft Rewards are trademarks of Microsoft, which does not sponsor or endorse this page.
The 1915 Çanakkale Bridge in Türkiye has held the record since March 2022, with a main span of 2,023 metres. The Zhangjinggao Yangtze River Bridge in China, with a planned 2,300-metre span, is under construction and expected to take the record around 2028.
Highest measures how far the deck sits above the ground or water below; the Huajiang Grand Canyon Bridge in China leads at about 625 metres. Tallest measures the height of the structure itself; France's Millau Viaduct leads at about 343 metres.
Three suspension bridges cross the Bosphorus in Istanbul, the first opening in 1973, and the 1915 Çanakkale Bridge crosses the Dardanelles. Each links the European and Asian sides of Türkiye.
No one can predict those questions. This quiz builds general landmark and engineering knowledge so you can recognise bridges, their cities and their stories when they appear in photo-based trivia.
Records and dates were checked against official operators, UNESCO listings and reputable reference and news sources. Figures marked "≈" are rounded; official sources sometimes differ slightly depending on how a measurement is taken.
How this article was checked: each quiz answer was traced to at least one primary or institutional source (bridge operators, UNESCO, government or official sites) and, for records that changed recently, confirmed against 2025–2026 reporting. Where sources disagree on a figure, the article uses the more conservative or rounded value. Spotted an error? Corrections are reviewed promptly, and this page's "Last reviewed" date is updated whenever facts change.
This is an independent educational quiz and is not affiliated with, sponsored or endorsed by Microsoft. Bing and Microsoft Rewards are trademarks of Microsoft Corporation. All illustrations on this page are original line drawings.