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NFA 2453 (SA 4508) over MILL SPRING CREEK

Map

Coordinates:
+36.16640, -83.52593
36°09'59" N, 83°31'33" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA 2453 (SA 4508) over MILL SPRING CREEK
Structure number:45024530007
Location:W OF SR92-NEAR GRAINGER C
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:17.4 ft. [5.3 m]
Total length:37.4 ft. [11.4 m]
Roadway width between curbs:31.2 ft. [9.5 m]
Deck width edge-to-edge:37.4 ft. [11.4 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1995
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
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:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,130 [as of 2018]
Truck traffic:3% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry 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 minimum criteria [6]
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:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:94.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
May 2017Fair6 out of 10113094.9
May 2015Fair6 out of 10113094.9
May 2013Fair6 out of 10113094.9
May 2011Fair6 out of 10113094.9
May 2009Fair6 out of 10113094.9
May 2007Fair6 out of 10113096.9
May 2005Fair6 out of 10139096.7
May 2003Fair6 out of 10139096.7
April 2001Good8 out of 1094098.0
June 1999Good8 out of 1075099.4
April 1997Good8 out of 10195098.5
January 1996Good8 out of 10155098.8
June 1993Fair5 out of 10140050.7
August 1991Fair5 out of 10140053.4