Photos 

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3-Spam, Pratt Truss Bridge on State Highway 400 over Watauga River, Elizabethton

Scheduled to be demolished, when new concrete deck I-Beam bridge is built beside it.

Photo taken by Calvin Sneed in July 2008

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Close-up of Pratt Truss Bridge Design

Photo taken by Calvin Sneed in July 2008

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Three Spans from River Level, with Fog Rising from Water Level

Photo taken by Calvin Sneed in July 2008

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Southbound into downtown Elizabethton on State Highway 400

Photo taken by Calvin Sneed in July 2008

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Old Concrete Pier from first bridge

Photo taken by Calvin Sneed in July 2008

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Middle (River Channel) Span

Photo taken by Calvin Sneed in July 2008

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Land clearning for new replacement bridge under construction

Photo taken by Calvin Sneed in July 2008

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Boulders to be removed

Photo taken by Calvin Sneed in July 2008

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Map 

Vicinity Map

Vicinity map

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Facts 

Overview
Three-span Pratt Truss bridge over Watauga River on State Highway 400 (Old U.S. 19-E) in Elizabethton
Location
Elizabethton, Carter County, Tennessee
Status
Open, but soon to be replaced by new concrete girder bridge
History
Built 1929
Design
Pratt Truss
Dimensions
Length of largest span: 101.3 ft.
Total length: 392.6 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 14.4 ft.
Also called
Watauga River Bridge
Approximate latitude, longitude
+36.35528, -82.22389   (decimal degrees)
36°21'19" N, 82°13'26" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/390188/4024050 (zone/easting/northing)
USGS topographic map
Elizabethton
Inventory number
BH 32452 (Bridgehunter.com ID)
Inspection (as of 07/2007)
Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 27.5 (out of 100)
Average daily traffic (as of 2007)
12,390

Categories 

Built 1929 (481)
Built during 1920s (4,800)
Carter County, Tennessee (19)
Elizabethton, Tennessee (8)
Open (22,291)
Owned by state (6,768)
Pratt through truss (976)
Pratt truss (1,666)
Span length 100-125 feet (2,309)
Structurally deficient (12,075)
Tennessee (382)
Through truss (5,551)
Total length 250-500 feet (2,191)
Truss (16,266)

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