- Most expensive U.S. public works projects
Below is a list of so-called "
Megaproject s" that are among the most expensive in U.S history.Highways
Projects to build new highways or improve existing ones, including roadways, bridges and tunnels. The list only includes projects that are underway; those still in planning are excluded until construction begins. Additionally, projects with multiple independent segments (i.e., I-69 Indiana-Texas Extension,
Trans-Texas Corridor ) are not included, though individual segments may or may not make the list.:1. Big Dig (1992-2006), Boston,
Massachusetts , $14.6 billion [ [http://www.bigdig.com Central Artery/Tunnel Project Website] ] [ [http://www.msnbc.msn.com/id/3769829/ Boston’s ‘Big Dig’ opens to public, MSNBC, December 20, 2003] ] :2.San Francisco – Oakland Bay Bridge East Span Replacement (2002-2013), San Francisco/Oakland,California , $6.3 billion :3.Mon-Fayette Expressway , southwestPennsylvania , northernWest Virginia , $5.0 billion [ [http://www.post-gazette.com/pg/07117/781451-147.stm, Turnpike panel says high costs imperil Mon-Fayette, Southern Beltway projects, Pittsburgh Post-Gazette, April 27, 2007] ] :4.Ohio River Bridges Project (2005-2020), Louisville,Kentucky , southernIndiana , $4.1 billion [ [http://theurbanophile.blogspot.com/2007/10/louisville-bridges-cost-now-41-billion.html, Louisville Bridges Cost Now $4.1 Billion, The Urbanophile, October 6, 2007] ] :5.Central Texas Turnpike (2001-2007), Area Around Austin,Texas , $3.6 billion [ [http://tifia.fhwa.dot.gov/fs8.htm, Federal Highway Administration, Central Texas Turnpike Fact Sheet] ] :6.Woodrow Wilson Bridge Replacement (1999-2008),Washington, D.C. , northernVirginia , southernMaryland , $2.5 billion [ [http://www.wilsonbridge.com Woodrow Wilson Bridge Replacement Website] ] :7. I-95 New Haven Harbor Corridor Reconstruction (2001-2016), New Haven,Connecticut , $1.4 billion [ [http://www.nhregister.com/site/news.cfm?newsid=18680869&BRD=1281&PAG=461&dept_id=7576&rfi=6 COG panel OK with $498M spike in Q bridge cost, New Haven Register, August 9, 2007] ] :8.E-470 (1991-2003), Denver,Colorado , $1.2 billion [ [http://denver.bizjournals.com/denver/stories/2002/12/16/story1.html Final leg of E-470 nears completion, Denver Business Journal, December 13, 2002] ]References
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