With more than 2-1/2 miles of bridge deck, two concrete towers soaring 425 feet (130m) feet above the Mississippi River, concrete piers anchored 120 feet (36m) into the riverbed and four fans of prestressing strand steel cable, the new USHighway 82 bridge at Greenville, Mississippi will be a spectacular crossing over America's most storied river. Mississippi and Arkansas DOT's and the designer HNTB utilized Osterberg Cell technology to confirm shaft design. LOADTEST completed a total of 8 O-cell tests on this project.
When completed, the bridge's main span of 1378 feet/420 meters will also be the longest cable stayed span in the United States, the third longest cable stayed span in North America, and one of the longest bridge spans of any type on the Mississippi River.
Among the project's other features:
• The new bridge will have three spans, of 591/1378/591 feet (180/420/180 meters)
• The Mississippi approach to the bridge includes 2970 feet (905m) of new roadway and 6406 feet (1952m) of approach bridge.
• The Arkansas approach to the bridge includes 3752 feet (1143m) of roadway and 4602 feet (1402m) of approach bridge.
• The total length of the project (bridge, approaches and new roadway) is 3.84 miles (6182m).
• The new bridge will be located some 2800 feet downstream from the existing bridge, greatly decreasing the likelihood of barge collisions.
• The new bridge will carry four lanes of traffic (two in each direction). Each lane will be 12 feet wide; the bridge will have a 12-foot outside shoulder and an 8-foot inside shoulder. (Compare with two, 12-foot lanes and no shoulders for the old bridge.)