Structure 89B00023N · Muhlenberg County, KY

Ky-176 over Plum Creek

Carries Ky-176 over Plum Creek, .5 Mi East Of Jct. US 431.

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 FT129 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

129 ft end to end, longest span 40 ft. 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.

Built196462 years old
Length128.9 ft39.3 m
Daily traffic1,345counted 2019
Last inspectedSeptember 2023every 48 months

Location

StateKentucky
CountyMuhlenberg
Location.5 Mi East Of Jct. US 431
CarriesKy-176
CrossesPlum Creek
Coordinates37.22306, -87.03833

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length128.9 ft (39.3 m)
Max Span40.0 ft (12.2 m)
Deck Width33.8 ft (10.3 m)
Deck Area404.8 sq m
Main Spans3
Year Built1964

Traffic

Avg Daily Traffic1,345 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number089B00023N

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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