Structure 56B00417N · Jefferson County, KY

Ky 1747 over Mid Fork Beargrass Creek

Carries Ky 1747 over Mid Fork Beargrass Creek, 1.0 Mi N Of US 60.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT94 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

94 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 multi-beam bridge.

Built198640 years old
Length93.5 ft28.5 m
Daily traffic23,027counted 2023
Last inspectedApril 2023every 48 months

Location

StateKentucky
CountyJefferson
Location1.0 Mi N Of US 60
CarriesKy 1747
CrossesMid Fork Beargrass Creek
Coordinates38.25972, -85.57806

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length93.5 ft (28.5 m)
Max Span91.9 ft (28 m)
Deck Width87.9 ft (26.8 m)
Deck Area763.8 sq m
Main Spans1
Year Built1986

Traffic

Avg Daily Traffic23,027 (2023)
Truck Traffic25%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number056B00417N

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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