Structure 54B00079N · Hopkins County, KY

Ky-109 over Tradewater River

Carries Ky-109 over Tradewater River, 1.5 Mi S.e. Of Jct US 62.

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
SEMI-TRUCK · 72 FT325 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

325 ft end to end, longest span 100 ft: about 5 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built1950rebuilt 2020
Length325.1 ft99.1 m
Daily traffic1,139counted 2022
Last inspectedApril 2021every 48 months

Location

StateKentucky
CountyHopkins
Location1.5 Mi S.e. Of Jct US 62
CarriesKy-109
CrossesTradewater River
Coordinates37.15083, -87.67472

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length325.1 ft (99.1 m)
Max Span100.1 ft (30.5 m)
Deck Width31.5 ft (9.6 m)
Deck Area951.4 sq m
Main Spans3
Year Built1950 (reconstructed 2020)

Traffic

Avg Daily Traffic1,139 (2022)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number054B00079N

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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