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Natchez Trace Parkway Bridge
The Natchez Trace Parkway Bridge is a concrete double arch bridge located in Williamson County, Tennessee, 14 km from the northern terminus of the Natchez Trace Parkway. It is 479.1 m long and carries the two-lane Natchez Trace Parkway 44.2 m over State Route 96 and a heavily wooded valley. The 177.4 m long main span is symmetrical, while the 140.8 m long second arch is not, due to the slope of the valley at the southern end of the bridge.^ The bridge is unique in that it does not use spandrel columns to support the deck from the arch. Rather than being evenly distributed along the arch's length, the weight of the bridge is concentrated at the crown of the arch. The lack of spandrel columns results in a clean, unencumbered appearance.Birdsong Hollow bridge Natchez Trace Parkway
Birdsong Hollow bridge Natchez Trace Parkway Labor Day weekend 2007....Birdsong Hollow bridge Natchez Trace Parkway Labor Day 2007.
Natchez Trace Parkway Arches
Arches, then a view of the bridge from Birdsong Hollow. 10/21/07...Natchez Trace Parkway Arches scenic driving Tennessee roadtrip bridge
Birdsong Hollow bridge Natchez Trace Parkway
Birdsong Hollow bridge Natchez Trace Parkway Labor Day weekend 2007....Birdsong Hollow bridge Natchez Trace Parkway
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