Structure 59B00095L · Kenton County, KY

I-75 Nc over Ns (cno&tp) System

Carries I-75 Nc over Ns (cno&tp) System, .5 Mi SW Jct Ky Nbl.

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 FT258 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

258 ft end to end, longest span 100 ft: about 4 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.

Built199333 years old
Length257.9 ft78.6 m
Daily traffic54,191counted 2021
Last inspectedNovember 2021every 48 months

Location

StateKentucky
CountyKenton
Location.5 Mi SW Jct Ky Nbl
CarriesI-75 Nc
CrossesNs (cno&tp) System
Coordinates39.04083, -84.58500

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length257.9 ft (78.6 m)
Max Span100.1 ft (30.5 m)
Deck Width73.2 ft (22.3 m)
Deck Area1752.8 sq m
Main Spans3
Year Built1993

Traffic

Avg Daily Traffic54,191 (2021)
Truck Traffic13%
Lanes On Bridge4

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 Number059B00095L

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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