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

Energy · Bulgaria

€500 million

Tsankov Kamak Hydro Power Plant

2011

Approximately $662.86 million

The Tower at PNC Plaza, downtown Pittsburgh, seen from Forbes Avenue just west of the Diamond or Market Square

Skyscraper · United States

$400 million

Tower at PNC Plaza

2015

Bridge · France

€41.5 million

Terenez bridge

2011

Approximately $57.77 million

Skyscraper · Singapore

SGD 248.1 million

The Concourse

1994

Approximately $162.43 million

Taken early morning looking Eastwards away from turbine hall

Energy · New Zealand

NZD 623 million

Te Mihi Power Station

2014

Approximately $516.83 million

View of the Tamar Bridge taken from a train passing over the neighbouring Royal Albert Bridge, on a sunny July afternoon.

Bridge · United Kingdom

£1.5 million

Tamar Bridge

1961

Approximately $4.2 million

Mount Rainier and the westbound Tacoma Narrows Bridge, shot from the Kitsap side with a CPF. This bridge, opened in 1950, was a replacement for the original bridge in this location, which collapsed spectacularly 4 months after opening in 1940. In 2007, a second bridge was built in parallel to this one and the older bridge was converted to carry westbound traffic only. At the time it was opened, this bridge was the third-longest suspension bridge in the world.

Bridge · United States

$13.738 million

Tacoma Narrows Bridge

1950

View from behind the goal at Red Bull Arena in Harrison, NJ.

Stadium · United States

$200 million

Sports Illustrated Stadium

2010

Energy · United Kingdom

€900 million

Staythorpe Power Station

2010

Approximately $1.19 billion

Energy · United Kingdom

£425 million

Spalding Power Station

2004

Approximately $778.13 million

University of Phoenix Stadium, opened August 1, 2006, is a multipurpose football stadium located in Glendale, Arizona. It is the home of the Arizona Cardinals of the National Football League (NFL) and the annual Fiesta Bowl. The stadium is located next door to the Jobing.com Arena and it features the first fully retractable natural grass playing surface built in the United States on top of an AirField Systems drainage system. An opening on one side of the stadium allows the playing field to move

Stadium · United States

$455 million

State Farm Stadium

2006

The Sepulveda Dam — on the Los Angeles River forming the Sepulveda Basin, in the San Fernando Valley, Los Angeles, California. A United States Army Corps of Engineers dam built in 1941 in for flood control. The Sepulveda Dam Recreation Area is in the usually dry basin behind the dam.

Dam · United States

$6.6506 million

Sepulveda Dam

1941

A shopping center including a Safeway supermarket now occupies the former site of Seals Stadium

Stadium · United States

$1.25 million

Seals Stadium

1931

The I.B. Perrine Bridge in Twin Falls, ID.

Bridge · United States

$10.656 million

Perrine Bridge

1976

View of Seneca One Tower from the top of Buffalo City Hall

Skyscraper · United States

$50 million

Seneca One Tower

1972

Le barrage de Kárahnjúkar, Múlaþing, Islande

Energy · Iceland

$1 billion

Kárahnjúkar Hydropower Plant

2017

Photo by R. W. Rynerson on 1967 Union Pacific RR excursion shows depth of John Day Dam pool, yet to be filled when photo was shot. Columbia River is at far left, old UPRR bridge at left, then old US30 highway bridge closest to rail line. Rail line was relocated to the elevation shown in order to remain above floodwater levels. I-80N highway bridge (today I-84) is to right of locomotive.

Energy · United States

$511 million

John Day Dam

1971

Mattamy National Cycling Centre being prepared for the 2015 Pan Am Games

Stadium · Canada

CAD 56 million

Milton Pan Am and Parapan Am Velodrome

2014

Approximately $50.69 million

Bridge · United Kingdom

£600 million

Mersey Gateway Bridge

2017

Approximately $772.22 million

The Medway viaducts, Kent, England in May 2008. They consist of three bridges that cross the River Medway from south east to north west. One carries a footpath/cycle way and the east bound carriage of the M2 motorway, the second carries the west bound carriageway and the third carries the Channel Tunnel Rail Link (HS1). Three bridges from the south bank, looking over to Strood. Camera location 51° 22′ 28.92″ N, 0° 28′ 37.2″ E View this and other nearby images on: OpenStreetMap 51.374700; 0.47700

Bridge · United Kingdom

£2.5 million

Medway Viaducts

1963

Approximately $7 million

This is the Marina Bridge containing the press gates that form the barrier of the Marina Barrage in Singapore

Dam · Singapore

SGD 226 million

Marina Barrage

2008

Approximately $159.73 million

Stadium · United States

$2.5 million

Major Taylor Velodrome

1982

M&I Plaza as seen from Soldiers' and Sailors' Monument (Indianapolis)

Skyscraper · United States

$60 million

BMO Plaza (First Indiana Plaza)

1988

Warren McGuirk Alumni Stadium, home to the Massachusetts Minutemen football team

Stadium · United States

$1.4 million

Warren McGuirk Alumni Stadium

1965