Structure 30B00180N · Daviess County, KY

Ky-764 over Unnamed Stream

Carries Ky-764 over Unnamed Stream, 1.3 Mi Sou. Of Jct Ky 54.

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 FT76 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

76 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.

Built20197 years old
Length76.4 ft23.3 m
Daily traffic590counted 2021
Last inspectedNovember 2023every 48 months

Location

StateKentucky
CountyDaviess
Location1.3 Mi Sou. Of Jct Ky 54
CarriesKy-764
CrossesUnnamed Stream
Coordinates37.65833, -86.87861

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length76.4 ft (23.3 m)
Max Span75.1 ft (22.9 m)
Deck Width27.9 ft (8.5 m)
Deck Area198.1 sq m
Main Spans1
Year Built2019

Traffic

Avg Daily Traffic590 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number030B00180N

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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