Structure 71B00108N · Logan County, KY

Ky-591 over Unnamed Trib Woolsey Crk

Carries Ky-591 over Unnamed Trib Woolsey Crk, 9 Mi E Of Jct US 431.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 31 ft across with 2 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.

Built201610 years old
Length30.8 ft9.4 m
Daily traffic192counted 2023
Last inspectedOctober 2023every 24 months

Location

StateKentucky
CountyLogan
Location9 Mi E Of Jct US 431
CarriesKy-591
CrossesUnnamed Trib Woolsey Crk
Coordinates36.66472, -86.76139

Physical Characteristics

MaterialAluminum/Wrought Iron/Cast Iron
DesignCulvert
Total Length30.8 ft (9.4 m)
Max Span14.4 ft (4.4 m)
Deck Width19.0 ft (5.8 m)
Deck Area54.5 sq m
Main Spans2
Year Built2016

Traffic

Avg Daily Traffic192 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number071B00108N

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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