Structure 56B00397N · Jefferson County, KY

I-65 NB Off Ramp over I-65 & SB Ramps

Carries I-65 NB Off Ramp over I-65 & SB Ramps, At I-264 I-65 N To Frgrd.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT552 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

552 ft end to end, longest span 137 ft: about 1.5 football fields. 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.

Built198838 years old
Length551.8 ft168.2 m
Daily traffic—reported figure implausible
Last inspectedOctober 2024every 24 months

Location

StateKentucky
CountyJefferson
LocationAt I-264 I-65 N To Frgrd
CarriesI-65 NB Off Ramp
CrossesI-65 & SB Ramps
Coordinates38.19333, -85.73194

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length551.8 ft (168.2 m)
Max Span137.1 ft (41.8 m)
Deck Width31.2 ft (9.5 m)
Deck Area1597.9 sq m
Main Spans5
Year Built1988

Traffic

Avg Daily Traffic129,829 (2022)
That is about 129,829 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic12%
Lanes On Bridge1
Lanes Under Bridge11

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number056B00397N

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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