{"id":6828,"date":"2015-01-01T12:00:45","date_gmt":"2015-01-01T12:00:45","guid":{"rendered":"https:\/\/www.systra.com\/ibt\/?post_type=projects&p=6828"},"modified":"2026-03-30T21:34:05","modified_gmt":"2026-03-30T21:34:05","slug":"hale-boggs-memorial-bridge-st-charles-parish-louisiana","status":"publish","type":"projects","link":"https:\/\/www.systra.com\/ibt\/project\/hale-boggs-memorial-bridge-st-charles-parish-louisiana\/","title":{"rendered":"Hale Boggs Memorial Bridge – St. Charles Parish, Louisiana"},"content":{"rendered":"\n
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Technical details<\/div>\n \t
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Customer<\/div>\n\t
Louisiana Department of Transportation and Development<\/div>\n\t <\/div>\n
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Dates<\/div>\n

Construction Completed: 2015<\/p>\n<\/div>\n <\/div>\n

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Localisation<\/div>\n
St. Charles Parish, Louisiana<\/div>\n <\/div>\n
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Partners<\/div>\n
General Contractor: Kiewit Louisiana, Prime Consultant: CTL Group<\/div>\n <\/div>\n
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Activity<\/div>\n
SYSTRA IBT\u2019s Role: Bridge Design Consultant, developed a cable replacement strategy.<\/div>\n <\/div>\n \n \n <\/div>\n<\/div>\n\n\n\n
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The Hale Boggs Memorial Bridge, which crosses the Mississippi River at Luling in St. Charles Parish, Louisiana, opened in 1983 as part of I-310 and was the first major cable-stayed bridge built in the United States.<\/strong><\/p>\n\n\n\n

The main structure is 2,745 ft (837 m) long with a main span of 1,222 ft (372 m), providing a navigation channel of1,187 ft x 133 ft (362 m x 41 m). The bridge deck is 82 ft (25 m) wide and carries four lanes of traffic with a full shoulder on each side. During several inspections, corrosion was discovered in the original stay cable system composed of parallel \u00bc\u201d wires (up to 307 wires per cable).<\/p>\n\n\n\n

SYSTRA IBT developed a cable replacement strategy that minimizes impact on traffic and modifications to the existing structure. The stays have been replaced with a modern parallel strand system with superior durability and maintenance characteristics. A system of temporary cables and saddles on top of the pylons enables the bridge to remain in service throughout the stay replacement procedure without the need for load restrictions.<\/p>\n\n\n\n

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Featured Project<\/h2>\n
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