Structure 89B00030N · Muhlenberg County, KY

Ky-181 over Carter Creek

Carries Ky-181 over Carter Creek, 1.8 Mi Nor. Of Jct Ky 890.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

38 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built193492 years old
Length38.1 ft11.6 m
Daily traffic1,636counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateKentucky
CountyMuhlenberg
Location1.8 Mi Nor. Of Jct Ky 890
CarriesKy-181
CrossesCarter Creek
Coordinates37.12694, -87.13500

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length38.1 ft (11.6 m)
Max Span35.1 ft (10.7 m)
Deck Width27.2 ft (8.3 m)
Deck Area96.3 sq m
Main Spans1
Year Built1934

Traffic

Avg Daily Traffic1,636 (2021)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number089B00030N

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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