12/31/2023 0 Comments Steel arch bridge tallestWith an arch 1,700 feet (518 m) long, the New River Gorge Bridge was the world's longest single-span arch bridge for 26 years 4 5 it is now the fifth. On July 16, 1982, the bridge was added to the National Register of Historic Places. The New River Gorge Bridge is a steel arch bridge 3,030 feet (924 m) long over the New River Gorge near Fayetteville, West Virginia, in the Appalachian Mountains of the eastern United States. The bridge was converted to a roadway in 1964, though it continues to be used for logging. Navajo Bridge spans Marble Canyon, 470 feet above the Colorado River in Grand Canyon National Park. With a width of 160 feet (48. Its main arch with a span of 467 m and land pier heights of up to 131 m place the bridge at an imposing 362 m above the river water level, making it the World’s tallest railway bridge. The expense of rail led to the bridges' unusual steel construction while most logging bridges were temporary wooden structions, the Simpson Logging Company felt that only a permanent bridge would justify their investment. At the time of its construction, the Navajo Bridge was the highest steel arch bridge in the United States, and for the next 66 years it served as the only crossing of the Colorado River for 600 miles. Measuring 440 feet (134 meters) from its top to water level, it is the world’s tallest steel arch bridge. The bridge is 685 feet (209 m) long, and its deck is 375 feet (114 m) above the river.īuilt in 1929, the bridge originally carried a rail line whose construction made logging operations possible in new areas of the Olympic Peninsula.Īlong with the Vance Creek Bridge, it was one of two similar bridges built for the rail line by the Simpson Logging Company, which contracted its construction to the American Bridge Company.Īt the time of the bridges' construction, new rail lines for logging were becoming increasingly cost-prohibitive, and most companies began using trucks in their place. The High Steel Bridge is a truss arch bridge that spans the south fork of the Skokomish River, on National Forest Service road #2340 in Mason County, Washington, near the city of Shelton. RF 2GMM419New River Gorge Bridge, part of Americas newest national park, is 876 ft high and 3000 ft long and the second highest steel arch bridge in the US. Historic Bridges/Tunnels in Washington State TR
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