BudgetGuessr project library

What the world’s biggest projects really cost

Compare published costs, timelines, project scale and original sources behind remarkable infrastructure and space missions.

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1733 projects

Milton–Madison Bridge over the Ohio River between Milton, Kentucky and Madison, Indiana in 2024

Bridge · United States

$103 million

Milton–Madison Bridge

2014

Abraj al Bait Towers as seen from the Masjid al Haram in Makkah, Saudi Arabia.

Skyscraper · Saudi Arabia

$15 billion

Abraj Al Bait

2012

Bridge · China

CNY 1.955 billion

Longjiang Bridge

2016

Approximately $294.23 million

Skyscraper · China

CNY 14.8 billion

Shanghai Tower

2015

Approximately $2.39 billion

Bridge · United Kingdom

£8 million

Severn Bridge

1966

Approximately $22.4 million

Children's Mercy Park Aerial, in Kansas City, Kansas

Stadium · United States

$200 million

Sporting Park

2011

Skyscraper · France

€272 million

Tour Hekla

2022

Approximately $286.43 million

All eleven turbines of the European Offshore Wind Deployment Centre, also known as Aberdeen Bay Wind Farm. (View as seen from a tall dune on Newburgh beach.)

Energy · United Kingdom

€350 million

European Offshore Wind Deployment Centre

2018

Approximately $413.33 million

Stadium · Türkiye

TRY 78 million

Akhisar Stadium

2018

Approximately $16.15 million

Crystal River Nuclear Generating Plant, Unit 3. The nuclear power plant is located near Crystal River, FL (80 MI N of Tampa, FL) in NRC Region II.

Energy · United States

$1.436 billion

Crystal River 3 Nuclear Power Plant

2007

120 Wall Street in the Financial District of Downtown Manhattan, New York City, as seen from the East River.

Skyscraper · United States

$12 million

120 Wall Street

1930

Dam · Colombia

COP 19400 billion

Ituango D

2023

Approximately $4.48 billion

Stadium · Japan

¥14 billion

Suita Stadium

2015

Approximately $115.66 million

The guest entrance of the Stadium Essen in the construction phase of the stadium construction

Stadium · Germany

€64 million

Stadion Essen

2012

Approximately $82.23 million

Newly built Danube bridge between Komárno, Slovakia and Komárom, Hungary.

Bridge · Hungary

€117 million

Monostor Bridge

2020

Approximately $133.64 million

This is a photo showing the construction of Sulafa Tower, located in Dubai Marina in Dubai, United Arab Emirates, on 20 December 2007.

Skyscraper · United Arab Emirates

AED 455.657 million

Sulafa Tower

2010

Approximately $124.07 million

Energy · United States

$3.455 billion

Sequoyah Nuclear Generating Station

2007

View of North Anna Nuclear Generating Station, Louisa County, Virginia. Retouched photo.

Energy · United States

$3.861 billion

North Anna Nuclear Generating Station

2007

Norris Dam in Anderson County, Tennessee, in the southeastern United States. This view is from the West Overlook, looking northeast.

Dam · United States

$36 million

Norris Dam

1936

Wuhan–Jiujiang High Speed Railway under construction in May 2017

Railway · China

CNY 14.431 billion

Wuhan–Jiujiang passenger railway

2017

Approximately $2.14 billion

The Darlington Arena, taken on Monday the 13th of April 2009.

Stadium · United Kingdom

£18 million

The Darlington Arena

2003

Approximately $29.39 million

St. Lucie Nuclear Power Plant photo Don Ramey Logan

Energy · United States

$4.614 billion

St. Lucie Nuclear Power Plant

2007

Shearon Harris Nuclear Power Plant control room. Simulations and training are run in this room, an exact duplicate of the control room of the operational reactor.

Energy · United States

$4.115 billion

Shearon Harris Nuclear Power Plant

2007

View of Virginia Electric and Power Company's Surry Power Station at Surry, Virginia. Each of the two nuclear generating units is designed for produce 788,000 electrical kilowatts.

Energy · United States

$1.868 billion

Surry Nuclear Power Plant

1973