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Official figures for a bridge's height are often provided only for the clearance below, so those figures may be used instead of actual deck height measurements. For bridges that span tidal water, the clearance below is measured at the average high water level. The minimum height for inclusion in this list is 130 ft (40 m), which may be either ...
The bridge is named for 16th century Spanish explorer Hernando de Soto, who explored this stretch of the Mississippi River and died south of Memphis. [8] Hernando de Soto Bridge illuminated at night in 2015. At night, the bridge was illuminated by 200 sodium vapor lights along its "M" structure. The bridge was first illuminated on September 5 ...
Through urban areas, at least one routing is to have 16-foot (4.9 m) clearances, but others may have a lesser clearance of 14 feet (4.3 m). Sign supports and pedestrian overpasses must be at least 17 feet (5.2 m) above the road, except on urban routes with lesser clearance, where they should be at least 1 foot (30 cm) higher than other objects.
In civil engineering, clearance refers to the difference between the loading gauge and the structure gauge in the case of railroad cars or trams, or the difference between the size of any vehicle and the width/height of doors, the width/height of an overpass or the diameter of a tunnel as well as the air draft under a bridge, the width of a lock or diameter of a tunnel in the case of watercraft.
RAPIDS CITY, Ill. — Most travelers and truckers approaching the Interstate 80 bridge over the Mississippi River see a rather unremarkable structure with no elaborate trusses, suspension cables ...
The bridge, located about 40 miles south of Jackson on State Route 149 over the Strong River in Simpson County, had been closed for nearly a month so crews could demolish it, the Mississippi ...
The Great River Bridge was originally proposed by Mississippi engineer Charles W. Dean in 1984. Originally part of the planned relocation of US-278 through the lower Mississippi Delta, the Federal Highway Administration (FHWA) approved the environmental impact statement (EIS) and issued a Record of Decision (ROD) for the bridge in 2004.
The U.S. Department of Transportation is providing nearly $400 million to build a new Interstate 55 bridge connecting Tennessee and Arkansas across the Mississippi River, replacing the existing 75 ...