Structure 36B00120N · Floyd County, KY

Ky-1428 over Csx Rr & Levisa Fork

Carries Ky-1428 over Csx Rr & Levisa Fork, 0.3 Mi E Of Jct US 23.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT590 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

590 ft end to end, longest span 200 ft: about 1.6 football fields. Lengths and the semi-truck 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 multi-beam bridge.

Built198739 years old
Length589.6 ft179.7 m
Daily traffic6,845counted 2022
Last inspectedSeptember 2021every 48 months

Location

StateKentucky
CountyFloyd
Location0.3 Mi E Of Jct US 23
CarriesKy-1428
CrossesCsx Rr & Levisa Fork
Coordinates37.68750, -82.78278

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length589.6 ft (179.7 m)
Max Span200.1 ft (61 m)
Deck Width33.1 ft (10.1 m)
Deck Area1815.0 sq m
Main Spans3
Year Built1987

Traffic

Avg Daily Traffic6,845 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number036B00120N

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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