Rating:
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Austin Peay Bridge

Jackson County, Tennessee

Photos 

Kbridge.JPG

Photo taken by TDOT

Enlarge

BH Photo #183806

Map 

Description 

The bridge is the only known extant K-truss in the Federal Highway Administration's Southeast Region. The bridge also is historically significant for its associations with the early development of Tennessee's Highway Department.

-- Historic American Engineering Record

Facts 

Overview
Lost K-Truss through truss bridge over Cumberland River on Tn 56
Location
Gainesboro, Jackson County, Tennessee
Status
Replaced by new bridge
History
Built by the Nashville Bridge Company in 1924 and replaced 1994
Builders
- Montgomery and Parker Co. of Rockport, Indiana
- Nashville Bridge Co. of Nashville, Tennessee
Design
The bridge contains one 280-foot riveted K through truss that is flanked on each side by a
160-foot riveted Warren through truss with a polygonal top chord. The south approach
consists of two 28.5-foot concrete deck girder spans, and the north approach contains
twenty-three 53-foot concrete deck girder spans.
Dimensions
Length of largest span: 279.9 ft.
Total length: 1,693.0 ft.
Deck width: 18.0 ft.
Approximate latitude, longitude
+36.37317, -85.65251   (decimal degrees)
36°22'23" N, 85°39'09" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/620874/4026182 (zone/easting/northing)
Quadrangle map:
Gainesboro
Average daily traffic (as of 2017)
2,680
Inventory numbers
TN 44SR0560009 (Tennessee bridge number)
BH 46719 (Bridgehunter.com ID)
Inspection report (as of July 2017)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 95.1 (out of 100)
View more at BridgeReports.com

Categories 

Built 1926 (790)
Built during 1920s (9,996)
Concrete girder (1,015)
Cumberland River (46)
Deck girder (5,824)
Gainesboro, Tennessee (1)
Girder (10,371)
HAER documented (1,107)
Jackson County, Tennessee (3)
K-Truss (90)
Lost (25,265)
Lost 1994 (431)
Lost during 1990s (4,015)
 M-frame portal (84)
Montgomery and Parker Co. (2)
Nashville Bridge Co. (33)
Replaced by new bridge (17,007)
Span length 250-500 feet (1,196)
Structurally deficient (14,040)
Tennessee (1,227)
Through truss (15,283)
Total length 1000-2500 feet (1,892)
Truss (33,136)
Warren through truss (1,623)
Warren truss (6,619)

Update Log 

  • January 26, 2015: HAER photos posted by Dave King
  • October 28, 2010: Added by J.P.

Sources 

  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • HAER TN-28 - Austin Peay Bridge, State Route 56 spanning Cumberland River, Gainesboro, Jackson County, TN

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