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US-68 over TENNESSEE RIVER

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+36.77140, -88.12602
36°46'17" N, 88°07'34" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-68 over TENNESSEE RIVER
Structure number:079B00023N
Old structure number:079*0068*B0023 (from 1992 edition)
Location:ACROSS KENTUCKY LAKE
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:368.1 ft. [112.2 m]
Total length:3496.2 ft. [1065.6 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:21.0 ft. [6.4 m]
Vertical clearance above deck:18.0 ft. [5.5 m]
Vertical clearance below bridge:57.1 ft. [17.4 m]
Owner:State Highway Agency [01]
Year built:1932
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 18 / H 20 [4]
Number of main spans:6
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: July 2014

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,375 [as of 2014]
Truck traffic:25% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:49.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$11,012,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2014FairSatisfactoryFairFair237549.1
July 2012FairSatisfactoryFairFair220037.4
January 2012Poor--Serious23002.0
August 2010FairSatisfactoryFairFair237037.4
August 2008PoorSeriousFairFair234032.4
October 2007PoorSeriousFairFair222032.4
August 2005FairFairFairFair266536.4
August 2003FairSatisfactorySatisfactoryFair267344.9
July 2001FairSatisfactorySatisfactoryFair267344.9
July 2000FairFairSatisfactoryFair267343.9
September 1999FairSatisfactorySatisfactoryFair267344.9
August 1998FairSatisfactorySatisfactoryFair267344.9
July 1997FairSatisfactorySatisfactoryFair248144.9
July 1996FairSatisfactorySatisfactoryFair248144.9
July 1995FairSatisfactorySatisfactoryFair356043.9
August 1994FairSatisfactoryFairFair356043.9
July 1993FairSatisfactorySatisfactorySatisfactory356053.9
July 1992FairSatisfactorySatisfactorySatisfactory356054.9
July 1991FairSatisfactorySatisfactorySatisfactory356054.9