+36.71528, -84.35500
36°42'55" N, 84°21'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:KY-478 over MARSH CREEK
Structure number:074B00027N
Old structure number:074*0478*B0027 (from 1992 edition)
Location:8.1 MI E.JCT US 27
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:86.6 ft. [26.4 m]
Total length:87.9 ft. [26.8 m]
Roadway width between curbs:24.6 ft. [7.5 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:State Highway Agency [01]
Year built:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:146 [as of 2015]
Truck traffic:11% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:35.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018PoorFairPoorSatisfactory14635.9
February 2017PoorFairPoorSatisfactory14637.9
February 2016PoorPoorPoorSatisfactory46430.1
February 2015PoorPoorPoorSatisfactory47230.1
February 2014PoorPoorPoorSatisfactory46430.1
February 2013PoorPoorPoorGood47930.1
February 2012PoorPoorPoorGood45130.2
February 2010FairSatisfactorySatisfactoryGood42887.5
February 2008FairSatisfactorySatisfactoryGood37888.5
February 2006GoodGoodGoodGood32088.6
February 2004GoodGoodGoodGood13992.9
February 2002GoodGoodGoodGood13992.9
February 2000GoodGoodGoodGood13992.9
February 1998GoodVery GoodVery GoodVery Good13990.9
February 1996GoodVery GoodVery GoodVery Good13990.9
February 1994GoodVery GoodVery GoodVery Good7898.0
February 1992GoodVery GoodVery GoodVery Good7893.0
February 1990GoodVery GoodVery GoodVery Good7893.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.61616150300150
Prestressed Concrete Top Flangesq. ft.2,45202,45200
Wearing Surfacessq. ft.2,16902,16900
Reinforced Concrete Abutmentlinear ft.85444100
Reinforced Concrete Pile Cap/Footinglinear ft.4040000
Elastomeric Bearingeach1601600
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.176176000
Steel Protective Coatingsq. ft.704704000
Reinforced Concrete Bridge Raillinear ft.176172400