A comparison of S.C. bridges

May 17, 2007 

Bridge: Briggs-DeLaine-Pearson Connector

Where: Calhoun and Sumter counties

Total length: 9.6 miles, which includes 2.8-mile bridge

Road cost estimate: $21.1 million

Bridge cost estimate: $115.4 million

Total project estimate: $150 million

Bridge: Isle of Palms Connector, S.C. 517

Where: Charleston

Length: 11,459 feet

Construction date: June 18, 1990

Contract then: $35 million

Cost in 2007 dollars: $54.9 million

Bridge: Dawhoo Bridge, S.C. 174

Where: Charleston

Length: 5,584 feet

Construction date: Oct. 9, 1990

Contract then: $16 million

Cost in 2007 dollars: $25.1 million

Bridge: Great Pee Dee River, U.S. 378

Where: Marion/Florence

Length: 4,698 feet

Construction date: April 11, 1989

Contract then: $8.7 million

Cost in 2007 dollars: $14.4 million

Bridge: Arthur Ravenel Jr. Bridge, U.S. 17

Where: Charleston

Length: 14,500 feet from Meeting Street to Johnnie Dodds Boulevard

Construction date: July 16, 2001

Contract then: $531. 2 million

Cost in 2007 dollars: $616 million

Current claim to fame: Longest cable-stay bridge in North America. Central cable-stay span of 1,500 feet, 186 feet of vertical clearance.

Source: S.C. Department of Transportation

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