Structure 118B00012N · Whitley County, KY

Ky-92 over Cumberland River

Carries Ky-92 over Cumberland River, .75 Mi SE Of Jct Ky 1064.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT471 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

471 ft end to end, longest span 140 ft: about 7 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 through truss.

Built1937rebuilt 2012
Length471.1 ft143.6 m
Daily traffic1,291counted 2023
Last inspectedAugust 2024every 12 months

Location

StateKentucky
CountyWhitley
Location.75 Mi SE Of Jct Ky 1064
CarriesKy-92
CrossesCumberland River
Coordinates36.74583, -84.01833

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length471.1 ft (143.6 m)
Max Span140.1 ft (42.7 m)
Deck Width24.9 ft (7.6 m)
Deck Area1091.4 sq m
Main Spans3
Year Built1937 (reconstructed 2012)

Traffic

Avg Daily Traffic1,291 (2023)
Truck Traffic18%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number118B00012N

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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