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NFA D403 over LITTLE FLAT CREEK

Map

Coordinates:
+36.12385, -83.77492
36°07'26" N, 83°46'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA D403 over LITTLE FLAT CREEK
Structure number:470D4030001
Location:S OF CORRYTON
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:15.7 ft. [4.8 m]
Total length:30.8 ft. [9.4 m]
Owner:County Highway Agency [02]
Year built:1973
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Culvert [19]
Deck type:Not applicable [N]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:60 [as of 2019]
Truck traffic:1% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:90.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$205,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
May 2018Good7 out of 106090.5
May 2016Good7 out of 106090.5
May 2014Good7 out of 106090.5
May 2012Good7 out of 106090.5
May 2010Good7 out of 106090.5
May 2008Fair5 out of 106079.5
May 2006Fair5 out of 106079.5
April 2004Fair5 out of 106079.5
May 2002Fair5 out of 106079.5
April 2000Fair5 out of 1032079.3
July 1998Fair5 out of 1032077.3
February 1996Fair5 out of 1032079.3
December 1993Fair5 out of 1032057.3
January 1992Fair5 out of 1032057.3
April 1990Fair5 out of 1032057.3