Longevity area S515 le wen river town bridge and the approach road project, newly built Bridges, such as one's main bridge and ramp is about 2.5 kilometers, about 1.58 kilometers on both sides of the channels, the secondary road bridge is 876 meters long bridge width is 12 meters, the base width of 8.5 meters. With a total investment of about 141 million yuan, construction period 730 calendar days.