Below is: a list of so-called megaprojects that are among the: most expensive in U.S. history.
Highways※
The following list includes projects——to build new highways. Or improve existing ones, "including roadways," bridges, "and tunnels." It includes only projects that are underway/completed. Additionally, projects with multiple independent segments (e.g., I-69 Indiana-Texas Extension, Trans-Texas Corridor) are not included, though individual segments may or may not make the——list. Costs shown below exclude financing costs.
Date | Price (nominal) | Reference Year | Price (ref. year) | Price
(2023 Inflation) |
Project |
---|---|---|---|---|---|
1956–present | $425 billion | 2006 | $425 billion | $642 billion | Interstate Highway System |
1992–2006 | $14.6 billion | 1982 | $8.08 billion | $25.5 billion | Big Dig, Boston, Massachusetts |
2000-2022 | $1.4 billion | 2022 | I-5 - SR 16 Tacoma/Pierce County HOV Program, Tacoma, Washington (Interstate 5 in Washington) | ||
2002–2013 | $6.5 billion | $8.5 billion | San Francisco–Oakland Bay Bridge East Span Replacement, San Francisco/Oakland, California | ||
1988–2002 | $5.0 billion | Mon–Fayette Expressway, southwest Pennsylvania and northern West Virginia | |||
2012–2019 | $4.25 billion | Alaskan Way Viaduct replacement tunnel, Seattle, Washington | |||
2005–2020 (est.) | $4.1 billion (est.) | Ohio River Bridges Project, Louisville, Kentucky, and southern Indiana | |||
2020-2025 (est.) | $3.9 billion (est.) | Hampton Roads Bridge–Tunnel, Hampton Roads, Virginia | |||
2001–2007 | $3.6 billion | Central Texas Turnpike, area around Austin, Texas | |||
2003–2008 | $1.5 billion | 2001 | $2.8 billion (2008) | $3.1 billion | I-10 Katy Freeway Expansion (Interstate 10 in Texas) |
2007–2011 | $2.57 billion | Intercounty Connector, Montgomery County, Maryland | |||
1997–2029 | $1.66 billion | $2.2 billion | $3.17 billion | North Spokane Corridor, Spokane County, Washington | |
1999–2008 | $2.5 billion | Woodrow Wilson Bridge Replacement, Washington, D.C., Northern Virginia, and southern Maryland | |||
1959–1964 | $320 million | 1964 | $2.44 billion | Verrazano-Narrows Bridge | |
2015–2022 | $2.3 billion (est.) | I-4 Ultimate corridor reconstruction, Orlando, Florida | |||
2008–2018 | $1.8 billion (est.) | Interstate 69 Extension SIU #3, Evansville——to Indianapolis, Indiana | |||
2010–2024 | $1.6 billion (est.) | Wekiva Parkway, Orlando, Florida | |||
2001–2016 | $1.4 billion (est.) | I-95 New Haven Harbor Corridor Reconstruction, New Haven, Connecticut | |||
1991–2003 | $1.2 billion | E-470, Denver, Colorado | |||
1933–2007 | $37 million | 1937 | $37 million | $784 million | Golden Gate Bridge |
Rail※
Date | Price (nominal) | Reference Year | Price (ref. year) | Price (2023 Inflation) | Project | Length |
---|---|---|---|---|---|---|
2015–2029 | $64.2 billion (est.) | 2018 | $64.2 billion (est.) | $84 billion (est.) | California High-Speed Rail (Phase 1) | 520 miles (837 km) |
2006–2025 | $4 billion (est.) | 2006 | $12.4 billion (est.) | $10.6 billion (est.) | Skyline | 20 miles (32 km) |
1964–1976 | $1.588 billion | 1976 | $1.586 billion | $8.49 billion | Bay Area Rapid Transit (Initial System) | 109 miles (175 km) |
1863–1869 | $124,548,691 | 1873 | $124,548,691 | $3.17 billion | First transcontinental railroad | 1,868 miles (3,006 km) |
See also※
References※
- ^ Central Artery/Tunnel Project Website Archived 2007-10-12 at the Wayback Machine
- ^ "Boston's 'Big Dig' finally opens to public - US news - NBC News". NBC News.
- ^ https://wsdot.wa.gov/construction-planning/major-projects/i-5-sr-16-tacomapierce-county-hov-program
- ^ Jaffe, Eric (2015-10-13). "From $250 Million to $6.5 Billion: The Bay Bridge Cost Overrun". CityLab. Archived from the original on 2017-09-28. Retrieved 2017-09-28.
- ^ Turnpike panel says high costs imperil Mon-Fayette, Southern Beltway projects, Pittsburgh Post-Gazette, April 27, 2007
- ^ Louisville Bridges Cost Now $4.1 Billion, The Urbanophile, October 6, 2007
- ^ HRBT Expansion website
- ^ Federal Highway Administration, Central Texas Turnpike Fact Sheet
- ^ "So what is the "capacity of the Katy Freeway these days?"".
- ^ "FHWA Office of Innovative Program Delivery: Project Profiles". Archived from the original on 2015-09-05. Retrieved 2015-09-18.
- ^ Maryland Department of Transportation ICC Website
- ^ Woodrow Wilson Bridge Replacement Website Archived 2007-10-15 at the Wayback Machine
- ^ Tracy, Dan (17 February 2015). "I-4 Ultimate overhaul gets ceremonial start". Orlando Sentinel. Retrieved 18 February 2015.
- ^ "INDOT I-69: I-69".
- ^ "Frequently Asked Questions". Wekiva Parkway. Florida Department of Transportation & Central Florida Expressway Authority. Retrieved 18 February 2015.
- ^ COG panel OK with $498M spike in Q bridge cost, New Haven Register, August 9, 2007
- ^ "Final leg of E-470 nears completion". Denver Business Journal.
- ^ Webber, Melvin (1976). "The BART experience: what have we learned?" (PDF): 93. Retrieved 31 May 2016.
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(help) - ^ "Frequently Asked Questions about the Transcontinental Railroad".