For those who have never witnessed a truss bridge, the Walnut Street Bridge is an amazing sight. It spans the Tennessee River in Chattanooga, and was built in 1890. The top chord of this bridge is designed in five sections, which is similar to the Camelback design. This is a significantly historical bridge because it is spans a half-mile and is about 120 years old. This Walnut Street Bridge is the longest pedestrian bridge in the world, and provides the visitors and residents with a myriad of activities, including: 1. The view from this bridge over the Tennessee River is truly a spectacular sight. It's a great area for a stroll, or birthday party, or other special event. 2. For the photographers in the crowd, this bridge offers some amazing photographic opportunities. Not only is it an incredibly amazing structure, the setting that spans the Tennessee River provides for some of the most beautiful pictures that camera bugs can ever imagine. 3. Across the bridge on either side are great places for picnics and a beautiful place to spend a relaxing afternoon reading a book or having fun with the family. 4. The Tennessee River below offers a myriad of boating and river activities, including fishing and swimming. 5. Coolidge Park is just a short walk away, and also offers some beautiful hiking trails and picnic areas; as well as some beautiful gardens. The Walnut Street Bridge is the longest pedestrian bridge in the world and offers some of the most picturesque scenery found anywhere.