Top 9 Most Expensive Projects In US

1. Big Dig (1992-2006), Boston, Massachusetts, $14.6 billion

2. San Francisco – Oakland Bay Bridge East Span Replacement (2002-2013), San Francisco/Oakland, California, $6.3 billion

3. Mon-Fayette Expressway, southwest Pennsylvania, northern West Virginia, $5.0 billion

4. Ohio River Bridges Project (2005-2020), Louisville, Kentucky, southern Indiana, $4.1 billion

5. Central Texas Turnpike (2001-2007), Area Around Austin, Texas, $3.6 billion

6. Woodrow Wilson Bridge Replacement (1999-2008), Washington, D.C., Northern Virginia, southern Maryland, $2.5 billion

7. Interstate 69 Extension SIU #3 (2008-2018), Evansville to Indianapolis, Indiana, $1.8 billion.

8. I-95 New Haven Harbor Corridor Reconstruction (2001-2016), New Haven, Connecticut, $1.4 billion

9. E-470 (1991-2003), Denver, Colorado, $1.2 billion