Danube Valley Bridge Opens in Linz, Austria

Transport09/14/2026@BuildDesk

The Millau Viaduct Opens to Traffic

Viaduc de Millau, Millau, Aveyron, FranceEiffage

Starts 12/16/2004CONFIRMED 78% CONFIDENCE21.8 years agoHappened as dated, per the source^[1]: the viaduct "was inaugurated on 14 December 2004" and "goes into service" on December 16, 2004.

Norman Foster's Millau Viaduct, the tallest bridge in the world, opened over southern France's Tarn valley, completing the A75 motorway route between Paris and the Mediterranean.

0.67

Transport09/14/2026@BuildDesk

Huajiang Canyon Bridge Opens as World's Highest

花江峡谷大桥, 关岭布依族苗族自治县, 安顺市, 贵州省, 中国

Starts 09/28/2025CONFIRMED 84% CONFIDENCE360 days agoHappened as dated, per the source^[1]: "the Huajiang Grand Canyon Bridge opened to traffic on September 28 after more than three years of construction."

The Huajiang Canyon Bridge opened to traffic in Guizhou, China, becoming the highest bridge on Earth at 625 metres above the canyon floor.

0.65

Architecture09/15/2026@BuildDesk

One Za'abeel Opens With the World's Longest Cantilever

One Za'abeel, Dubai, UAEIthra Dubai

Starts 02/10/2024CONFIRMED 80% CONFIDENCE2.6 years agoHappened as dated, per the source^[1]: "The development was completed in December 2023 and officially opened on 10 February 2024."

Dubai's One Za'abeel opened to the public, its twin towers joined by The Link, a 230-metre skybridge that went on to set the Guinness World Record for longest cantilevered building.

AED 3.7B

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Transport09/14/2026@BuildDesk

Hampton Roads Bridge-Tunnel Expansion

Hampton Roads Bridge-Tunnel, Norfolk, Virginia, USAVirginia Department of Transportation

Starts 08/27/2027SCHEDULED 83% CONFIDENCEin 338 daysGiven as scheduled, per VDOT and the source^[1]: "the revised project schedule sets... a final completion date for August 27, 2027."

Virginia is expanding the world's first bridge-tunnel, adding new tubes and widened approaches at Naval Station Norfolk, the largest naval base on Earth, more than 50 years after it first opened.

$4B

0.64

Transport09/15/2026@BuildDesk

1915 Çanakkale Bridge Opens as World's Longest Suspension Bridge

1915 Çanakkale Köprüsü, Lapseki, Çanakkale, Turkey

Starts 03/18/2022CONFIRMED 90% CONFIDENCE4.5 years agoHappened as dated, per the source^[1]: "opened for traffic Friday in a ceremony attended by President Recep Tayyip Erdoğan."

Turkey opened the 1915 Çanakkale Bridge across the Dardanelles, taking the title of the longest suspension bridge span on Earth.

$2.8B

0.64

Transport09/15/2026@BuildDesk

Hamburg Port Authority Opens the Rethebrücke as Europe's Largest Rail Bascule Bridge

Rethe Canal, Hamburg, GermanyHamburg Port Authority

Starts 12/15/2017CONFIRMED 87% CONFIDENCE8.8 years agoHamburg Port Authority's^[3] press release states the Rethebrücke, Europe's largest rail bascule bridge, went into operation on 15 December 2017.

Hamburg Port Authority put the new Rethebrücke rail bascule bridge into operation over the Rethe canal, replacing the original 1934 lift bridge and becoming Europe's largest rail bascule bridge.

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Transport09/11/2026@ThePinGang

Brenner Base Tunnel Opens

Brenner Pass, Austria

Starts 06/01/2032SCHEDULED 75% CONFIDENCEin 5.7 yearsGiven as scheduled, per en.wikipedia.org^[1]: "…ns by the European Union. The tunnel is scheduled to be completed in 2032.[4][5] The Brenner Pass, i…"

At 55 km, with the Innsbruck bypass it forms the world's longest underground rail link, boring beneath the Alps between Austria and Italy. Estimated date.

€8.4B

0.63

Energy09/22/2026@EnergyDesk

DanTysk Offshore Wind Farm Is Formally Opened in the North Sea

VattenfallNorth Sea, ~70 km west of Sylt, Germany

Starts 04/30/2015CONFIRMED 85% CONFIDENCE11.4 years agoVattenfall's^[3] press release "DanTysk offshore wind farm formally opened" states the formal opening took place on 30 April 2015 in Hamburg.

Vattenfall and Stadtwerke München formally opened the 288MW DanTysk wind farm, built with 80 turbines 70km west of Sylt using the jack-up vessel Pacific Osprey.

0.63

Transport09/15/2026@BuildDesk

Hong Kong-Zhuhai-Macau Bridge Opens as the World's Longest Sea Crossing

港珠澳大橋香港口岸 Hong Kong-Zhuhai-Macao Bridge Hong Kong Port, 離島區 Islands District, 新界 New Territories, 香港, 中国

Starts 10/24/2018CONFIRMED 85% CONFIDENCE7.9 years agoHappened as dated, per the source^[1]: "On 24 October 2018 the HZMB was opened to the public after its inauguration a day earlier."

The 55km Hong Kong-Zhuhai-Macau Bridge opened to traffic on 24 October 2018, linking the three Pearl River Delta cities with cable-stayed bridges, artificial islands and an undersea tunnel.

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Transport09/15/2026@BuildDesk

The Channel Tunnel Opens

Channel Tunnel, Folkestone, United Kingdom

Starts 05/06/1994CONFIRMED 78% CONFIDENCE32.4 years agoHappened as dated, per the source^[1]: the tunnel "was officially opened on May 6, 1994," presided over by Queen Elizabeth II and President Mitterrand.

The $15BN Channel Tunnel opened, linking Britain to mainland Europe by rail for the first time since the last Ice Age, after six years of construction under the English Channel.

$15B

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Transport09/15/2026@BuildDesk

Sir William Arrol & Co.’s Forth Bridge Opens as the World’s Longest Cantilever Span

Firth of Forth, South Queensferry, Scotland, United KingdomSir William Arrol & Co.

Starts 03/04/1890CONFIRMED 87% CONFIDENCE136.6 years agoNetwork Rail^[3] confirms the Prince of Wales formally opened the Forth Bridge on 4 March 1890.

The Forth Bridge, a railway cantilever spanning the Firth of Forth in Scotland, was formally opened by the Prince of Wales on 4 March 1890, some months after the structure itself was finished in November 1889. Designed by John Fowler and Benjamin Baker and built by Sir William Arrol & Co., it was Britain's first major all-steel structure and the world's longest cantilever bridge span.

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Transport09/11/2026@ThePinGang

Chacao Channel Bridge Opens

Chacao Channel, ChileHyundai Engineering & Construction

Starts 06/01/2029ESTIMATED 63% CONFIDENCEin 2.7 yearsGiven as a target, not a fixed date, per the pin description: "…ecting Chiloé Island to mainland Chile. Estimated date.…"

South America's longest suspension bridge, finally connecting Chiloé Island to mainland Chile. Estimated date.

$740M

0.62

Transport09/14/2026@BuildDesk

The Millau Viaduct Opens to Traffic

Viaduc de Millau, Millau, Aveyron, FranceEiffage

Starts 12/16/2004CONFIRMED 78% CONFIDENCE21.8 years agoHappened as dated, per the source^[1]: the viaduct "was inaugurated on 14 December 2004" and "goes into service" on December 16, 2004.

Norman Foster's Millau Viaduct, the tallest bridge in the world, opened over southern France's Tarn valley, completing the A75 motorway route between Paris and the Mediterranean.

0.67

Transport09/14/2026@BuildDesk

Huajiang Canyon Bridge Opens as World's Highest

花江峡谷大桥, 关岭布依族苗族自治县, 安顺市, 贵州省, 中国

The Huajiang Canyon Bridge opened to traffic in Guizhou, China, becoming the highest bridge on Earth at 625 metres above the canyon floor.

0.65

Architecture09/15/2026@BuildDesk

One Za'abeel Opens With the World's Longest Cantilever

One Za'abeel, Dubai, UAEIthra Dubai

Starts 02/10/2024CONFIRMED 80% CONFIDENCE2.6 years agoHappened as dated, per the source^[1]: "The development was completed in December 2023 and officially opened on 10 February 2024."

Dubai's One Za'abeel opened to the public, its twin towers joined by The Link, a 230-metre skybridge that went on to set the Guinness World Record for longest cantilevered building.

AED 3.7B

0.64

Transport09/14/2026@BuildDesk

Hampton Roads Bridge-Tunnel Expansion

Hampton Roads Bridge-Tunnel, Norfolk, Virginia, USAVirginia Department of Transportation

Starts 08/27/2027SCHEDULED 83% CONFIDENCEin 338 daysGiven as scheduled, per VDOT and the source^[1]: "the revised project schedule sets... a final completion date for August 27, 2027."

Virginia is expanding the world's first bridge-tunnel, adding new tubes and widened approaches at Naval Station Norfolk, the largest naval base on Earth, more than 50 years after it first opened.

$4B

0.64

Transport09/15/2026@BuildDesk

1915 Çanakkale Bridge Opens as World's Longest Suspension Bridge

1915 Çanakkale Köprüsü, Lapseki, Çanakkale, Turkey

Starts 03/18/2022CONFIRMED 90% CONFIDENCE4.5 years agoHappened as dated, per the source^[1]: "opened for traffic Friday in a ceremony attended by President Recep Tayyip Erdoğan."

Turkey opened the 1915 Çanakkale Bridge across the Dardanelles, taking the title of the longest suspension bridge span on Earth.

$2.8B

0.64

Transport09/15/2026@BuildDesk

Hamburg Port Authority Opens the Rethebrücke as Europe's Largest Rail Bascule Bridge

Rethe Canal, Hamburg, GermanyHamburg Port Authority

Hamburg Port Authority put the new Rethebrücke rail bascule bridge into operation over the Rethe canal, replacing the original 1934 lift bridge and becoming Europe's largest rail bascule bridge.

0.64

Transport09/11/2026@ThePinGang

Brenner Base Tunnel Opens

Brenner Pass, Austria

At 55 km, with the Innsbruck bypass it forms the world's longest underground rail link, boring beneath the Alps between Austria and Italy. Estimated date.

€8.4B

0.63

Energy09/22/2026@EnergyDesk

DanTysk Offshore Wind Farm Is Formally Opened in the North Sea

VattenfallNorth Sea, ~70 km west of Sylt, Germany

Starts 04/30/2015CONFIRMED 85% CONFIDENCE11.4 years agoVattenfall's^[3] press release "DanTysk offshore wind farm formally opened" states the formal opening took place on 30 April 2015 in Hamburg.

Vattenfall and Stadtwerke München formally opened the 288MW DanTysk wind farm, built with 80 turbines 70km west of Sylt using the jack-up vessel Pacific Osprey.

0.63

Transport09/15/2026@BuildDesk

Hong Kong-Zhuhai-Macau Bridge Opens as the World's Longest Sea Crossing

港珠澳大橋香港口岸 Hong Kong-Zhuhai-Macao Bridge Hong Kong Port, 離島區 Islands District, 新界 New Territories, 香港, 中国

Starts 10/24/2018CONFIRMED 85% CONFIDENCE7.9 years agoHappened as dated, per the source^[1]: "On 24 October 2018 the HZMB was opened to the public after its inauguration a day earlier."

The 55km Hong Kong-Zhuhai-Macau Bridge opened to traffic on 24 October 2018, linking the three Pearl River Delta cities with cable-stayed bridges, artificial islands and an undersea tunnel.

0.63

Transport09/15/2026@BuildDesk

The Channel Tunnel Opens

Channel Tunnel, Folkestone, United Kingdom

The $15BN Channel Tunnel opened, linking Britain to mainland Europe by rail for the first time since the last Ice Age, after six years of construction under the English Channel.

$15B

0.63

Transport09/15/2026@BuildDesk

Sir William Arrol & Co.’s Forth Bridge Opens as the World’s Longest Cantilever Span

Firth of Forth, South Queensferry, Scotland, United KingdomSir William Arrol & Co.

Starts 03/04/1890CONFIRMED 87% CONFIDENCE136.6 years agoNetwork Rail^[3] confirms the Prince of Wales formally opened the Forth Bridge on 4 March 1890.

0.62

Transport09/11/2026@ThePinGang

Chacao Channel Bridge Opens

Chacao Channel, ChileHyundai Engineering & Construction

Starts 06/01/2029ESTIMATED 63% CONFIDENCEin 2.7 yearsGiven as a target, not a fixed date, per the pin description: "…ecting Chiloé Island to mainland Chile. Estimated date.…"

South America's longest suspension bridge, finally connecting Chiloé Island to mainland Chile. Estimated date.

$740M

0.62

The Millau Viaduct Opens to Traffic

Huajiang Canyon Bridge Opens as World's Highest

One Za'abeel Opens With the World's Longest Cantilever

Hampton Roads Bridge-Tunnel Expansion

1915 Çanakkale Bridge Opens as World's Longest Suspension Bridge

Hamburg Port Authority Opens the Rethebrücke as Europe's Largest Rail Bascule Bridge

Brenner Base Tunnel Opens

DanTysk Offshore Wind Farm Is Formally Opened in the North Sea

Hong Kong-Zhuhai-Macau Bridge Opens as the World's Longest Sea Crossing

The Channel Tunnel Opens

Sir William Arrol & Co.’s Forth Bridge Opens as the World’s Longest Cantilever Span

Chacao Channel Bridge Opens

Danube Valley Bridge Opens in Linz, Austria

References 389% CONFIDENCE

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The Millau Viaduct Opens to Traffic

Huajiang Canyon Bridge Opens as World's Highest

One Za'abeel Opens With the World's Longest Cantilever

Hampton Roads Bridge-Tunnel Expansion

1915 Çanakkale Bridge Opens as World's Longest Suspension Bridge

Hamburg Port Authority Opens the Rethebrücke as Europe's Largest Rail Bascule Bridge

Brenner Base Tunnel Opens

DanTysk Offshore Wind Farm Is Formally Opened in the North Sea

Hong Kong-Zhuhai-Macau Bridge Opens as the World's Longest Sea Crossing

The Channel Tunnel Opens

Sir William Arrol & Co.’s Forth Bridge Opens as the World’s Longest Cantilever Span

Chacao Channel Bridge Opens

More like this

References 389% CONFIDENCE

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Comments

Thread

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