Structure 77B00082N · Magoffin County, KY

Us-460 over Horsepen Fork

Carries Us-460 over Horsepen Fork, 0.1 Mi. E. Ky. 40 Jct..

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT63 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 8/9

63 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.

Built200422 years old
Length63.3 ft19.3 m
Daily traffic7,652counted 2022
Last inspectedJanuary 2022every 48 months

Location

StateKentucky
CountyMagoffin
Location0.1 Mi. E. Ky. 40 Jct.
CarriesUs-460
CrossesHorsepen Fork
Coordinates37.75056, -83.06833

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length63.3 ft (19.3 m)
Max Span59.7 ft (18.2 m)
Deck Width57.7 ft (17.6 m)
Deck Area339.7 sq m
Main Spans1
Year Built2004

Traffic

Avg Daily Traffic7,652 (2022)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number077B00082N

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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