Structure 59B00039N · Kenton County, KY

5th St/sb I75 Rmp over 4th ST Ramp To SB I-75

Carries 5th St/sb I75 Rmp over 4th ST Ramp To SB I-75, SB Ext Rmp @5th ST Ntrch.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

62 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.

Built196363 years old
Length62.0 ft18.9 m
Daily traffic5,069counted 2023
Last inspectedNovember 2023every 48 months

Location

StateKentucky
CountyKenton
LocationSB Ext Rmp @5th ST Ntrch
Carries5th St/sb I75 Rmp
Crosses4th ST Ramp To SB I-75
Coordinates39.08528, -84.52333

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length62.0 ft (18.9 m)
Max Span30.8 ft (9.4 m)
Deck Width68.9 ft (21 m)
Deck Area396.9 sq m
Main Spans1
Year Built1963

Traffic

Avg Daily Traffic5,069 (2023)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number059B00039N

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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