A pin-connected Pratt pony truss, flanked by steel I-beams. Also has a fish-bellied" bottom chord providing more stability and the maximum length that a lighweight pin-connected Pratt pony truss bridge could be built. Top chords and end posts are channels with lacing on top and battens underneath. Bottom chords are paired rectilinear eyerods, and counters are single rectilinear tie rods.
Dimensions
Length of largest span: 85.0 ft.
Total length: 117.0 ft.
Deck width: 12.1 ft.
Approximate latitude, longitude
+36.18477, -86.08005(decimal degrees) 36°11'05" N, 86°04'48" W (degrees°minutes'seconds")
Approximate UTM coordinates
16/582719/4004834 (zone/easting/northing)
Elevation
776 ft. above sea level
USGS topographic map
New Middleton (now Loudon)
Inventory number
BH 48552 (Bridgehunter.com ID)
Categories
Update Log
June 19, 2011: New photo from Calvin Sneed
June 18, 2011: Updated by Calvin Sneed: After new bridge was built, this Pratt pony truss was relocated to Loudon County in 1986 and reassembled intact. Entry is now "Loudon City Legion Park" in that county.
March 30, 2011: Added by K. A. Erickson
Sources
K. A. Erickson
HAER TN-18 - Buena Vista Ford Bridge, Spanning Round Lick Creek on McClanahan Road, Carthage vicinity, Smith, TN