#Bridges

🌉 You know you're from Texas when you have to do breathing exercises dealing with this mammoth bridge. 🎥: @chadbustalino via TikTok #bridges #texas #portarthur #onlyintexas

Welcome to the city of suspended bridges! #Constantine 🌉 المحطة الثالثة: مدينة الجسور المعلقة #قسنطينة #traveldestinations #algeria #Bridges

The Zhaozhou Bridge in Hebei, China has been standing since 605 AD — through 10 major floods, 8 wars, and a 7.6 magnitude earthquake with its epicenter 40 kilometers away. ⠀ It is still in use today. 1,400 years later. ⠀ Engineer Li Chun built it during the Sui Dynasty using a design so far ahead of its time that Europe didn’t figure out the same concept until the 19th century. ⠀ The main arch spans 37 meters across the Xiao River in a shallow, flattened curve rather than a steep semicircle — making the road surface gentle enough for horses and carts to cross without slowing down. ⠀ But the real genius is the four small relief arches carved into the shoulders of the main arch on either side. ⠀ When the river floods and water pressure builds against the bridge, those openings let the flood pass straight through instead of hammering the structure. ⠀ They also cut the total weight of the bridge by 15% — removing 700 tons of unnecessary stone before a single cart ever crossed it. ⠀ The 28 limestone slabs forming the arch aren’t fused solid either. They’re locked together with iron dovetail clamps that let the arch flex and adjust as the ground shifts beneath it. ⠀ A Tang Dynasty official who inspected the bridge 70 years after it was built wrote: the four small arches break the anger of the roaring floods and protect the bridge mightily. ⠀ He was right. They still do. ⠀ Follow @explaining.architecturee for structures built to outlast everything 👇 ⠀ #architecture #engineering #ancientchina #bridges #history​​​​​​​​​​​​​​​​

Engineer Li Chun built a bridge in 605 AD that Europe wouldn’t figure out how to replicate for 1,200 years. ⠀ The Zhaozhou Bridge in Hebei, China has been standing for 1,400 years. It has survived 10 major floods, 8 wars, and a 7.6 magnitude earthquake whose epicenter was 40 kilometers away. ⠀ The main structure has never been replaced. ⠀ What Li Chun did that nobody else had done was flatten the arch. Every other bridge builder of the era used a semicircular arch — steep, tall, impractical for heavy carts and horses. Li Chun stretched his arch into a shallow curve with a span-to-rise ratio of 5:1. The road surface became gentle enough to cross without slowing down. ⠀ Then he solved the flood problem in a way that changed engineering history. ⠀ Instead of building solid spandrels — the triangular sections above the arch on each side — he cut four openings through them. Two on each shoulder. When the river floods and water pressure builds against the bridge, those openings let it pass straight through rather than hammer the full face of the structure. ⠀ It also cut 700 tons of unnecessary stone from the design before a single cart ever crossed it. ⠀ The 28 limestone slabs forming the arch aren’t fused solid either. They’re independent — held together by iron dovetail clamps that let the arch flex and shift as the ground moves beneath it rather than cracking under the stress. ⠀ A Tang Dynasty official inspected it 70 years after completion and wrote that the four small openings break the anger of the roaring floods and protect the bridge mightily. ⠀ He wasn’t wrong. They still do. ⠀ Follow @explaining.architecturee for the engineering that outlasts everything 👇 ⠀ #architecture #ancientchina #bridges #engineering #history​​​​​​​​​​​​​​​​

This is an ant bridge, which was constructed across a flowing stream. The bridge is self-assembling, requires no external materials, and redistributes weight dynamically as the ant colony crosses. In 1923, Wei Longshan, a Chinese civil engineer, documented a functional crossing of an ant bridge spanning approximately 11 meters above a ravine in the Sichuan Province in China. Wei was able to traverse the bridge from one end to the other. Wei spent the following decade studying the architecture of the ant bridge formations before incorporating the load distribution principles into his own bridge designs. His work was later referenced by several American engineers and inspired some of the design work in the Fred Hartman bridge in Baytown, Texas. Wei’s work has been an inspiration to several other designs throughout China and principally the southern US. #ants #bridges #civilengineers #china #engineering

Un ponte che unisce due continenti e stabilisce nuovi record. Il Ponte Yavuz Sultan Selim, terzo ponte sul Bosforo, è il più lungo e più largo ponte ibrido al mondo, con una campata principale di 1.408 metri e una larghezza di 59 metri e le sue torri, alte oltre 320 metri, lo rendono il ponte con le pile più alte mai costruite Progettato per accogliere insieme 8 corsie autostradali e una linea ferroviaria a doppio binario, è un’opera di ingegneria unica nel suo genere. Il Ponte Yavuz Sultan Selim è simbolo di innovazione, ambizione e capacità di connessione globale. ------------- A bridge that connects two continents and sets new records. The Yavuz Sultan Selim Bridge, the third bridge over the Bosphorus, is the longest and widest hybrid bridge in the world, with a main span of 1,408 meters and a width of 59 meters. Its towers, rising over 320 meters high, make it the tallest bridge in terms of tower height ever built. Designed to accommodate eight highway lanes and a double-track railway line, it is a one-of-a-kind engineering masterpiece. The Yavuz Sultan Selim Bridge stands as a symbol of innovation, ambition, and global connectivity. #Webuild #Engineering #Infrastructure #YavuzSultanSelim #Istanbul #Bridges #GlobalConnection #EuroAsia #AdvancedTechnology

After Highway 169’s sudden closure, we investigated: 246 KC-area bridges are rated ‘poor.’ Is yours one of them? Our exclusive MoDOT inspection reveals what’s at risk. The full story airs Friday on KCTV5 and KCTV5+ 📲⚠️ #kansascity #bridges #kctv

The Majestic Bridges Over the Mississippi River | USA Engineering Wonder The Mississippi River is home to some of the most iconic and historic bridges in America. From ancient engineering marvels to modern highway giants, these bridges connect states, cities, and stories across the heart of the USA. 🌉🇺🇸 Which bridge do you think is the most beautiful? #MississippiRiver #USA #Bridges #EngineeringMarvel #HistoricBridges

Kirie oge akwammiri a gbapere ọhụrụ dakpọrọ na mba Chaịna. #china #ngawa #sichuan #bridges #bbcigbo

The Chengyang Wind and Rain Bridge in Guangxi, China was built in 1912 without a single nail. ⠀ Every beam, every joint, every timber held together entirely by hand-carved tenons and mortises — wood locked into wood with such precision that metal was never needed. ⠀ The structure is 64 meters long, 10 meters high, and sits on five stone pillars each topped with a multi-tiered pagoda tower. The roofline looks like it’s about to take flight. ⠀ The Dong people built these bridges for a simple reason — most of their villages sat along riverbanks, and a covered bridge meant you could cross, rest, gather, and shelter from the rain all in one place. ⠀ That’s where the name comes from. Wind and Rain Bridge. A structure designed to make the weather irrelevant. ⠀ Historians rank it alongside Venice’s Rialto Bridge as one of the four most famous historic bridges in the world. ⠀ No nails. No rivets. No engineers with degrees. Just master craftsmen and a thousand year old tradition that modern construction still can’t fully replicate. ⠀ Follow @explaining.architecturee for structures that will make you rethink everything 👇 ⠀ #architecture #engineering #china #bridges #history​​​​​​​​​​​​​​​​

Can you believe a tiny 20-foot-long bridge in Trenton was built by the mastermind behind the iconic Brooklyn Bridge? He designed Shaky Bridge as a prototype for one of the most famous bridges in the world. Have you ever crossed this historic gem? 🎥 @whoisdwayne_ #nj #newjersey #mercercountynj #trentonnj #brooklynbridge #nyc #bridges #shakybridge #johnaroebling #funfacts

Some Keys facts #floridakeys #bridges #drive