The bridge opened to traffic in May 1957. 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It spans the Akashi Strait in Japan connecting Kobe on the mainland and Iwaya on Awayi Island. American Bridge Company is currently replacing the deck of the bridge as part of a major project, dubbed Deck the Wall. Golden gate bridge is one among the oldest suspension bridge in America. It is a double-decker suspension bridge with six lanes per deck. Othmar H. Ammann was the chief engineer for the bridge, while Allston Dana provided the design. The second bridge (eastbound) was commissioned in July 2007. The Hongkong–Zhuhai–Macao-bridge became the longest bridge over water when it was finished in 2018. This bridge connects the Japanese city of Kobe to the beautiful Awaji Island, an island famous for Naruto whirlpools. Longest Suspension Bridges in the United States, The Top Ten: Longest U.S. Verrazano-Narrows Bridge, located at the mouth of upper New York Bay, is the longest suspension bridge in the US. It is named after Giovanni di Verrazano, the first explorer to sail into the New York Harbour and the east coast of North America in 1524. It carries US Route101 and California State Route across the river. San Francisco-Oakland Bay Bridge, spanning San Francisco Bay in California, comprises of two interconnected double-deck bridges, forming part of the Interstate 80 (I-80). Learn more about the world with our collection of regional and country maps. Roadtraffic-technology.com profiles the 10 longest suspension bridges in the US, based on main span length. Tacoma Narrows Bridge comprises of a set of two suspension bridges spanning the Tacoma Narrows Strait of Puget Sound in Pierce County, Washington. The two towers of the bridge utilised 26,000t of steel. Traffic operations were started in November 1957. The Danyang-Kunshan Grand Bridge, on the Beijing-Shanghai high speed railway in China, is the longest bridge in the world. The world's longest suspension bridges are listed according to the length of their main … We use them to give you the best experience. Infoplease knows the value of having sources you can trust. GATLINBURG, Tenn. – Here’s something to cross off your bucket list: A walk across the longest pedestrian suspension bridge in the United States. Construction commenced in January 1933 and the bridge was opened to traffic in May 1937. The deck replacement is scheduled for completion in January 2014. It spans the Straits of Mackinac and connects the Mackinaw and St. Ignace cities. It is, with a length of just about four kilometres, the world’s longest suspension bridge. If you continue to use this site we will assume that you are happy with it. San Francisco, the golden gate bridge What is the longest suspenion bridge in the us? (CNN) — Here's something to cross off your travel bucket list: A walk across the longest pedestrian suspension bridge in the United States. This is a toll bridge for which you need to pay at the toll plaza. The bridge was designed by Dr. David B. Steinman. Construction works for the first span (northbound) commenced in February 1949 and took more than two years to complete. FEN Learning is part of Sandbox Networks, a digital learning company that operates education services and products for the 21st century. The bridge had recognition for its three powerful features; being the longest, strongest, and most expensive bridge globally. With 1991 meters—6,523 feet—of unsupported span, the bridge is the longest suspension bridge or unsupported span on a bridge in the Earth. The longest bridge over water. The bridge was designed by Othmar H. Ammann and constructed from 1959 to 1964. Construction commenced in August 1953 and was completed in approximately four years. Norway, which is considered the world’s leader in tunnelling, has a whopping 900 tunnels, including the world’s longest road tunnel. Up to 13,000 people were involved in the construction. It connects the city of San Francisco to Marin Country. The central span and overall length of the bridge are 609.60m and 3,652m respectively. The architect of the bridge design was Irving Morrow. If you continue using our website, we'll assume that you are happy to receive all cookies on this website. The Golden Gate Bridge, Highway and Transportation District is the operator. Delaware River Port Authority of Pennsylvania and New Jersey operates the bridge. Its overall length is 4,175.8m. The world’s longest cantilever road bridges. Opened in 1998, it spans the Akashi Strait (Akashi Kaikyo) between Kobe and Awaji Island and is an element of the Kobe-Awaji-Naruto freeway, one among three expressways that connect Honshu with the island. The western section of the bridge has a main span of 704m, making it the seventh longest suspension bridge in the US. Othmar H. Ammann provided the design, while Cass Gilbert served as the architect. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. Learn more about the mythic conflict between the Argives and the Trojans. The bridge comprises of 14 lanes, including eight on the upper deck and six on the lower deck. The original eastern span of the bridge that was damaged during the 1989 Loma Prieta earthquake was replaced in 2013. This bridge was designed with a two-hinged stiffening girder system, allowing the structure to withstand winds of 178 mph and earthquakes measuring 8.5 on the Richter scale. Occupancy detection and LED status display in one device. It is named after Giovanni di Verrazano, the first explorer to sail into the New York Harbour and the east coast of North America in 1524. It has a main span of 730m, ranking as the sixth longest suspension bridge in the US. The twin suspension bridges currently serve more than 80,000 vehicles a day. Longest Suspension Bridges in the United States Finished in 1964, the Verrazano-Narrows … The main span of the bridge is 1,067m, whereas the overall length is 1,450m. In total, the bridge is … The bridge currently carries six lanes of Interstate 678. credit of image : By Vickerman625 – Own Work, Wikimedia, CC BY SA 3.0. Humber Bridge, spanning the Humber Estuary near Kingston upon Hull in the UK, is the seventh longest suspension bridge in the world. The City of New York owns the bridge and MTA Bridges and Tunnels is the operator. , we 'll assume that you are happy to receive all cookies on this.. Of 1991 meters Kiewit Pacific for GlobalData 's free bi-weekly Covid-19 report on the mainland Iwaya! Who made this project possible 1,149.1m, standing as the eighth longest suspension bridge opened traffic! 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