Structure 66B00016N · Leslie County, KY

Us-421 over Henrys Fork

Carries Us-421 over Henrys Fork, .80 Mi E Of Jct Ky 1482.

Overall conditionPoor

Set by its lowest-rated component: Culvert at 3 of 9.

How ratings work
Culvertsets the rating3/9 · Serious
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT54 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 3/9

A culvert 54 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built193393 years old
Length54.1 ft16.5 m
Daily traffic668counted 2023
Last inspectedDecember 2024every 12 months

Location

StateKentucky
CountyLeslie
Location.80 Mi E Of Jct Ky 1482
CarriesUs-421
CrossesHenrys Fork
Coordinates37.15639, -83.50583

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length54.1 ft (16.5 m)
Max Span17.1 ft (5.2 m)
Deck Width34.4 ft (10.5 m)
Deck Area173.2 sq m
Main Spans3
Year Built1933

Traffic

Avg Daily Traffic668 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical4 — Foundations need monitoring
Structure Number066B00016N

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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