Structure 117B00043N · Webster County, KY

Ky-143 over Vaughn Ditch

Carries Ky-143 over Vaughn Ditch, 1.7 Mi Sou. Of Jct Ky 109.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT85 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

85 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 through truss.

Built193294 years old
Length85.0 ft25.9 m
Daily traffic118counted 2020
Last inspectedNovember 2024every 24 months

Location

StateKentucky
CountyWebster
Location1.7 Mi Sou. Of Jct Ky 109
CarriesKy-143
CrossesVaughn Ditch
Coordinates37.46333, -87.89833

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length85.0 ft (25.9 m)
Max Span80.1 ft (24.4 m)
Deck Width20.0 ft (6.1 m)
Deck Area158.0 sq m
Main Spans1
Year Built1932

Traffic

Avg Daily Traffic118 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number117B00043N

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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