NFA 2312 (SA 2502) over SLATE CREEK


+36.20960, -85.03150
36°12'35" N, 85°01'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA 2312 (SA 2502) over SLATE CREEK
Structure number:25023120001
Location:1MI WEST OF US 127
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:9.8 ft. [3.0 m]
Total length:24.0 ft. [7.3 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1970
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:850 [as of 2017]
Truck traffic:6% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
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]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:86.4

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
August 2016Fair5 out of 1085086.4
August 2014Fair6 out of 1085097.5
August 2012Fair6 out of 1085097.5
August 2010Fair6 out of 1085097.5
July 2008Fair6 out of 1085097.5
July 2006Fair6 out of 1088096.5
September 2004Fair6 out of 1083096.5
August 2002Fair6 out of 10108096.3
July 2000Good7 out of 10108096.3
July 1998Good7 out of 1092096.4
June 1996Good7 out of 10108096.3
June 1994Good7 out of 1098096.4
July 1992Good7 out of 1074096.6
June 1990Good7 out of 1074096.6