Structure 42B00096N · Graves County, KY

Ky-58 over Jackson Purchase Parkway

Carries Ky-58 over Jackson Purchase Parkway, .1 Mi W Of Jct US 45.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT230 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

230 ft end to end, longest span 92 ft: about 3 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 box-beam bridge.

Built196759 years old
Length230.0 ft70.1 m
Daily traffic1,173counted 2021
Last inspectedSeptember 2024every 48 months

Location

StateKentucky
CountyGraves
Location.1 Mi W Of Jct US 45
CarriesKy-58
CrossesJackson Purchase Parkway
Coordinates36.68333, -88.73139

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Single/Spread
Total Length230.0 ft (70.1 m)
Max Span91.9 ft (28 m)
Deck Width32.8 ft (10 m)
Deck Area701 sq m
Main Spans2
Year Built1967

Traffic

Avg Daily Traffic1,173 (2021)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number042B00096N

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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