Structure 93C00016N · Oldham County, KY

Old Zaring RD over Darby Fork

Carries Old Zaring RD over Darby Fork, 350 Ft W Of Ky 1817.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT32 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

32 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.

Built199432 years old
Length32.2 ft9.8 m
Daily traffic185counted 2006
Last inspectedMarch 2024every 24 months

Location

StateKentucky
CountyOldham
Location350 Ft W Of Ky 1817
CarriesOld Zaring RD
CrossesDarby Fork
Coordinates38.37833, -85.46417

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length32.2 ft (9.8 m)
Max Span30.5 ft (9.3 m)
Deck Width24.0 ft (7.3 m)
Deck Area71.5 sq m
Main Spans1
Year Built1994

Traffic

Avg Daily Traffic185 (2006)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number093C00016N

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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