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

Workers place steel high above the East River. Photographer unknown. November 6, 1935. Courtesy of MTA Bridges and Tunnels Special Archive.

Bridge · United States

$60.3 million

Robert F. Kennedy Bridge

1936

Rancho Seco nuclear power plant (no longer operating). Photographed by air 2007-07-01. Location: near Clay Station, California (Sacramento County).

Energy · United States

$375 million

Rancho Seco Nuclear Generating Station

1975

Bridge · Japan

¥14.9 billion

Tsunoshima Bridge

2000

Approximately $138.26 million

Bau der Offshore-Konverterplattform SylWin alpha in der Warnowwerft Rostock

Energy · Germany

€1 billion

DanTysk Offshore Wind Farm

2015

Approximately $1.11 billion

Bridge · United Kingdom

£3.1 million

St Philip's Footbridge

2019

Approximately $3.96 million

Aerial view of the new Malšovice Stadium in Hradec Králové, officially known as the Všesportovní stadion. The modern football stadium was completed in 2023 on the site of the original 1960s venue. It has a capacity of approximately 9,300 spectators and serves as the home ground of FC Hradec Králové. The image shows the entire arena with its four distinctive floodlight pylons, surrounding parking areas, and the cityscape in autumn colors.

Stadium · Czechia

CZK 763 million

Malšovická aréna

2023

Approximately $34.37 million

Bridge · Croatia

€525 million

Pelješac Bridge

2022

Approximately $552.85 million

Soyamisaki (Cape Soya) Wind Farm in Wakkanai City, Hokkaido, Japan

Energy · Japan

¥12 billion

Sōyamisaki Wind Farm

2005

Approximately $108.87 million

Photographie prise le 26 décembre 2022 au Stade des Antonins lors du match entre le Nîmes Olympique et l'En Avant Guingamp en Ligue 2.

Stadium · France

€12 million

Antonins Stadium

2022

Approximately $12.64 million

Dam · Taiwan

TWD 6.038 billion

Zengwen Dam

1973

Approximately $157.86 million

Railway · China

CNY 35.12 billion

Guangzhou Metro Line 12

2017

Approximately $5.2 billion

Stadium · United States

$289 million

Huntington Bank Field

1999

Sezione tipo di galleria della Nuova Linea Torino Lione

Tunnel · Italy

€11.1 billion

Mont Cenis Base Tunnel

2026

Approximately $12.54 billion

Skyscraper · China

$1.5 billion

Ping An Finance Centre

2017

Vista de la tribuna principal del estadio Banco Guayaquil, propiedad de Independiente del Valle.

Stadium · Ecuador

$18 million

Estadio de Independiente del Valle

2021

Stadium · United States

$367 million

Reliant Stadium

2002

Panorama of Golden Ears Bridge over the Fraser River. 9 photos merged in Photoshop.

Bridge · Canada

CAD 808 million

Golden Ears Bridge

2009

Approximately $707.82 million

Crusell bridge, Helsinki, Finland. Completed 2011.

Bridge · Finland

€17.7 million

Crusell Bridge

2011

Approximately $24.64 million

Tunnel · Iran

$400 million

Tohid Tunnel

2010

投稿者が2006年5月に現地訪問し、撮影（中央大学の後楽園キャンパスの校舎から許可を得て撮影）

Stadium · Japan

¥35 billion

Tokyo Dome

1988

Approximately $273.11 million

Stadium · United Kingdom

£15 million

Kirklees Stadium

1994

Approximately $22.96 million

Toyota Stadium. Toyota-Shi,Aichi-Ken,Japan

Stadium · Japan

¥45.1 billion

Toyota Stadium

2001

Approximately $371.1 million

At Vandenberg Air Force Base in California, the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft is ready for mating with the upper stage of the Orbital Sciences Pegasus XL behind it (right). DART was designed and built for NASA by Orbital Sciences Corporation as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. The Pegasus XL will launch DART into a circular polar o

Space mission · United States

$110 million

Demonstration for Autonomous Rendezvous Technology

2005

$DCIM\100MEDIA\DJI_0530.JPG$

Stadium · Côte d’Ivoire

XOF 41 billion

Laurent Pokou Stadium

2023

Approximately $67.59 million