Structure 56C00238N · Jefferson County, KY

Jefferson BLVD over Northern Ditch

Carries Jefferson BLVD over Northern Ditch, 0.7 Mi S Of Ky 1747.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT88 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 7/9

88 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 box-beam bridge.

Built200224 years old
Length88.3 ft26.9 m
Daily traffic16,289counted 2023
Last inspectedJanuary 2024every 24 months

Location

StateKentucky
CountyJefferson
Location0.7 Mi S Of Ky 1747
CarriesJefferson BLVD
CrossesNorthern Ditch
Coordinates38.14917, -85.67861

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length88.3 ft (26.9 m)
Max Span85.3 ft (26 m)
Deck Width88.6 ft (27 m)
Deck Area726.3 sq m
Main Spans1
Year Built2002

Traffic

Avg Daily Traffic16,289 (2023)
Lanes On Bridge4

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number056C00238N

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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