Structure 42B00138N · Graves County, KY

Ky-1485 over Terrapin Creek

Carries Ky-1485 over Terrapin Creek, .80 Mi S.w. Of Jct Ky 97.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 1 of 9.

How ratings work
Deck4/9 · Poor
Superstructure4/9 · Poor
Substructuresets the rating1/9 · Imminent Failure
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT66 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 1/9 · sets the rating

66 ft end to end, longest span 20 ft. 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 channel-beam bridge.

Built195868 years old
Length65.9 ft20.1 m
Daily traffic195counted 2021
Last inspectedAugust 2024every 12 months

Location

StateKentucky
CountyGraves
Location.80 Mi S.w. Of Jct Ky 97
CarriesKy-1485
CrossesTerrapin Creek
Coordinates36.52778, -88.51083

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length65.9 ft (20.1 m)
Max Span20.0 ft (6.1 m)
Deck Width24.0 ft (7.3 m)
Deck Area146.7 sq m
Main Spans3
Year Built1958

Traffic

Avg Daily Traffic195 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number042B00138N

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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