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The Seven Mile Bridge is a bridge in the Florida Keys, in Monroe County, Florida, United States. It connects Knight's Key (part of the city of Marathon, Florida) in the Middle Keys to Little Duck Key in the Lower Keys. Among the longest bridges in existence when it was built, it is part of the Overseas Highway in the Keys, which is part of the ...
The Maestri Bridge comes close, but runs short by two-tenths of a mile at roughly 4.8 miles (7.7 km) in total length. Louisiana is also home to the Norfolk Southern Lake Pontchartrain Bridge , which at 5.8 miles (9.3 km) is one of the longest railway bridges in the United States.
This is a list of the world's longest bridges that are more than 3 kilometers (1.9 mi) in length sorted by their full length above land and water. The main span is the longest span without any ground support. Note: There is no standard way to measure the total length of a bridge. Some bridges are measured from the beginning of the entrance ramp ...
Overseas Highway. The Overseas Highway is a 113-mile (181.9 km) [1] [2] highway carrying U.S. Route 1 (US 1) through the Florida Keys to Key West. Large parts of it were built on the former right-of-way of the Overseas Railroad, the Key West Extension of the Florida East Coast Railway. Completed in 1912, the Overseas Railroad was heavily ...
The world's longest suspension bridges are listed according to the length of their main span (i.e., the length of suspended roadway between the bridge's towers). The length of the main span is the most common method of comparing the sizes of suspension bridges, often correlating with the height of the towers and the engineering complexity involved in designing and constructing the bridge.
The piling-supported concrete bridge is 35,862 ft (10,931 m) or 6.79 miles (10.93 km) long. The current bridge bypasses Pigeon Key, a small island that housed workers building Henry Flagler's Florida East Coast Railway in the 1900s, that the original Seven Mile Bridge crossed. A 2.2-mile (3.5 km) section of the old bridge remains for access to ...
Clarence Stanley Coe (C. S. Coe) (December 24, 1865 – March 5, 1939) was an American master bridge builder and railroad civil engineer, who supervised the planning and building of the Florida East Coast Railway's Seven Mile Bridge, linking the Florida Keys to Marathon, Monroe County, which, when completed in January 1912, was acclaimed as the longest bridge in the world and an engineering ...
85001552 [1] Added to NRHP. July 11, 1985. The Sevenmile Bridge is a Pratt deck truss bridge bringing a county road over the Rio Grande, 6 miles (10 km) southwest of Creede, Colorado, United States. It was designed by engineer King Burghardt and is unusual for its cantilevered ends. It was built in 1935; it then carried State Highway 149.