Structure 59B00097N · Kenton County, KY

Buttermilk Pike over I-75 @ 186.347

Carries Buttermilk Pike over I-75 @ 186.347, 1.1 Mi.nw Jct US 25-42.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT195 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

195 ft end to end, longest span 97 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.

Built199432 years old
Length194.9 ft59.4 m
Daily traffic34,722counted 2023
Last inspectedNovember 2021every 48 months

Location

StateKentucky
CountyKenton
Location1.1 Mi.nw Jct US 25-42
CarriesButtermilk Pike
CrossesI-75 @ 186.347
Coordinates39.04694, -84.57500

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length194.9 ft (59.4 m)
Max Span97.1 ft (29.6 m)
Deck Width81.0 ft (24.7 m)
Deck Area1467.2 sq m
Main Spans2
Year Built1994

Traffic

Avg Daily Traffic34,722 (2023)
Truck Traffic6%
Lanes On Bridge5
Lanes Under Bridge8

Inspection & Ownership

Last InspectionNovember 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number059B00097N

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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