Structure 89B00123N · Muhlenberg County, KY

Ky-189 over Csx Railroad

Carries Ky-189 over Csx Railroad, 2.1 Mi N Of Jct Ky 70.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT233 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

233 ft end to end, longest span 78 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.

Built198640 years old
Length232.9 ft71 m
Daily traffic4,836counted 2020
Last inspectedSeptember 2023every 24 months

Location

StateKentucky
CountyMuhlenberg
Location2.1 Mi N Of Jct Ky 70
CarriesKy-189
CrossesCsx Railroad
Coordinates37.32389, -87.13750

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length232.9 ft (71 m)
Max Span78.1 ft (23.8 m)
Deck Width47.2 ft (14.4 m)
Deck Area1022.4 sq m
Main Spans3
Year Built1986

Traffic

Avg Daily Traffic4,836 (2020)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number089B00123N

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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