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NFA 4701 over MARTIN CREEK

Unicoi County, Tennessee

Map

Coordinates:
+36.13113, -82.41795
36°07'52" N, 82°25'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA 4701 over MARTIN CREEK
Structure number:860A4000005
Location:IN ERWIN
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:28.9 ft. [8.8 m]
Total length:32.8 ft. [10.0 m]
Roadway width between curbs:50.2 ft. [15.3 m]
Deck width edge-to-edge:61.7 ft. [18.8 m]
Skew angle:60°
Owner:City or Municipal Highway Agency [04]
Year built:1928
Year reconstructed:1983
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:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,440 [as of 2019]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:89.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairFairSatisfactorySatisfactory644089.4
August 2016FairFairSatisfactorySatisfactory644089.4
August 2014FairFairSatisfactorySatisfactory644089.4
August 2012FairFairSatisfactorySatisfactory644087.1
August 2010FairFairSatisfactorySatisfactory644087.1
September 2008FairFairSatisfactorySatisfactory644087.1
September 2006FairFairSatisfactorySatisfactory632087.1
November 2004FairFairSatisfactorySatisfactory672087.0
August 2002FairFairSatisfactorySatisfactory699086.8
September 2000FairSatisfactorySatisfactorySatisfactory858087.2
October 1998FairSatisfactorySatisfactorySatisfactory885087.1
October 1996FairSatisfactorySatisfactorySatisfactory644087.1
November 1994FairSatisfactorySatisfactorySatisfactory704086.8
September 1992FairSatisfactorySatisfactorySatisfactory16089.6
October 1990FairSatisfactorySatisfactorySatisfactory16089.6