Structure 86C00024N · Monroe County, KY

Duncan Road over Spring Creek

Carries Duncan Road over Spring Creek, 40 Ft. East Of Ky 87.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT66 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

66 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built200917 years old
Length65.9 ft20.1 m
Daily traffic67counted 2019
Last inspectedJanuary 2023every 24 months

Location

StateKentucky
CountyMonroe
Location40 Ft. East Of Ky 87
CarriesDuncan Road
CrossesSpring Creek
Coordinates36.69500, -85.95611

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length65.9 ft (20.1 m)
Max Span61.0 ft (18.6 m)
Deck Width24.0 ft (7.3 m)
Deck Area146.7 sq m
Main Spans1
Year Built2009

Traffic

Avg Daily Traffic67 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number086C00024N

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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