(Walnut St. Pedestrian, 2,370', 1891) in Chattanooga, Hamilton County, TN. TN389 (4th St.) E. 0.35 miles from jct with I124, N. on Walnut St. 0.25 miles to the bridge. Now a pedestrian bridge. (N35 03.498 W85 18.438) Photo by Jack Schmidt 7-16-08.