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NFA B450 over VERNON CREEK

Map

Coordinates:
+36.40908, -87.41615
36°24'33" N, 87°24'58" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA B450 over VERNON CREEK
Structure number:630B4500001
Location:MIXON RD
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:34.1 ft. [10.4 m]
Total length:36.1 ft. [11.0 m]
Roadway width between curbs:14.8 ft. [4.5 m]
Deck width edge-to-edge:16.7 ft. [5.1 m]
Owner:County Highway Agency [02]
Year built:1994
Historic significance:Historical significance is not determinable at this time [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:20 [as of 2017]
Truck traffic:1% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:73.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$244,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017FairFairSatisfactoryVery Good2073.1
January 2015FairGoodSatisfactoryVery Good2074.1
January 2013FairSatisfactorySatisfactoryVery Good2074.1
January 2011GoodGoodVery GoodVery Good2063.7
January 2009FairSatisfactoryGoodGood2063.7
December 2006FairSatisfactoryGoodGood2063.7
March 2005FairSatisfactoryGoodGood2063.7
July 2003FairSatisfactoryGoodGood2063.7
July 2001FairSatisfactoryGoodGood2063.7
July 1999GoodVery GoodVery GoodVery Good2063.7
March 1997GoodVery GoodVery GoodVery Good10062.6
March 1995GoodVery GoodVery GoodVery Good10061.9
February 1993PoorFairPoorSerious1007.4