Question: Bridge Day is an annual one-day festival in Fayetteville, Fayette County, West Virginia, United States The event is coordinated by the New River Gorge Bridge Day Commission, the event, held on the third Saturday every October, commemorates the 1977 completion of which steel arch bridge 3030 ft long over the New River Gorge near Fayetteville, West Virginia, in the Appalachian Mountains?

<P0-S0> The James River Gorge is a water gap created by the James River in Central Virginia. <P0-S1>  The Gorge is 2433 ft deep as measured from Highcock Knob 3073 ft to the James River 640 ft and is approximately 9.3 mi long. <P0-S2>  The James River forms in western Virginia near the border of West Virginia and initially flows south through the ridge and valley province of the Allegheny Mountains, turning northeast when it comes to the western edge of the Blue Ridge Mountains near Buchanan, Virginia. <P0-S3>  From Buchanan the river flows along the base of the Blue Ridge Mountains until it joins the Maury River near the town of Glasgow, Virginia and then it turns southeast and begins its descent over the Balcony Falls rapids and through the James River Gorge. <P0-S4>  The rocks of the gorge are metamorphic in nature with the oldest exposed outcrops being from the Proterozoic Era. <SEP> <P1-S0>  With an arch 1700 ft long, the New River Gorge Bridge was for many years the world's longest single-span arch bridge; it is now the fourth longest. <P1-S1>  Part of U.S. Route 19, its construction marked the completion of Corridor L of the Appalachian Development Highway System. <P1-S2> The New River Gorge Bridge is a steel arch bridge 3030 ft long over the New River Gorge near Fayetteville, West Virginia, in the Appalachian Mountains of the eastern United States. <P1-S3>  The bridge is crossed by an average of 16,200 motor vehicles per day. <SEP> <P2-S0> Bridge Day is an annual one-day festival in Fayetteville, Fayette County, West Virginia, United States The event is coordinated by the New River Gorge Bridge Day Commission, and is sponsored by numerous companies of both local and international significance. <P2-S1>  The event, held on the third Saturday every October, commemorates the 1977 completion of the New River Gorge Bridge. <P2-S2>  On this day, all four lanes of the bridge are closed to automobiles and opened to pedestrians. <P2-S3>  Estimates have 100,000 people attending the overall event. <SEP> <P3-S0> The Lupu Bridge () is a through arch bridge over the Huangpu River in Shanghai, China, connecting the city's Huangpu and Pudong districts. <P3-S1>  It is the world's second longest steel arch bridge, after the Chaotianmen Bridge in Chongqing. <P3-S2>  The bridge has a total length including approach spans of 3900 m and opened on June 28, 2003. <P3-S3>  The main bridge structure is 750m long including the two side spans of 100m each, and the main span of 550 m over the Huangpu River is 32 m longer than the previous record holder for the longest arch bridge, the New River Gorge Bridge in Fayetteville, West Virginia. <P3-S4>  It cost 2.5 billion yuan (US$302 million), including US$78.04 for the main steel structure alone. <P3-S5>  It is located adjacent to the former Expo 2010 site and served as the centrepiece of the world exposition in Shanghai.