Structure 71B00091R · Logan County, KY

Us-68 over Black Lick Creek

Carries Us-68 over Black Lick Creek, 5.33 Mi W Of 114/071 Cl.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT184 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

184 ft end to end, longest span 60 ft: about 3 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 multi-beam bridge.

Built199531 years old
Length184.1 ft56.1 m
Daily traffic6,221counted 2023
Last inspectedNovember 2021every 48 months

Location

StateKentucky
CountyLogan
Location5.33 Mi W Of 114/071 Cl
CarriesUs-68
CrossesBlack Lick Creek
Coordinates36.87028, -86.70861

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length184.1 ft (56.1 m)
Max Span60.0 ft (18.3 m)
Deck Width43.0 ft (13.1 m)
Deck Area734.9 sq m
Main Spans3
Year Built1995

Traffic

Avg Daily Traffic6,221 (2023)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number071B00091R

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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