Structure 43B00026R · Grayson County, KY

Wk-9001 over Ky 187

Carries Wk-9001 over Ky 187, Ebl 3 Mi W Of Ky 79 Ntrch.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT156 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

156 ft end to end, longest span 55 ft: about 2 semi-trucks nose to tail. 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 tee-beam bridge.

Built196363 years old
Length155.8 ft47.5 m
Daily traffic5,578counted 2022
Last inspectedOctober 2024every 48 months

Location

StateKentucky
CountyGrayson
LocationEbl 3 Mi W Of Ky 79 Ntrch
CarriesWk-9001
CrossesKy 187
Coordinates37.44861, -86.34083

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length155.8 ft (47.5 m)
Max Span54.8 ft (16.7 m)
Deck Width35.1 ft (10.7 m)
Deck Area508.2 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic5,578 (2022)
Truck Traffic45%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number043B00026R

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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