Structure 111B00065N · Trigg County, KY

US 68/ky 80 over Elbow Bay

Carries US 68/ky 80 over Elbow Bay, _.

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT113 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

113 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 multi-beam bridge.

Built201016 years old
Length112.5 ft34.3 m
Daily traffic4,908counted 2023
Last inspectedJune 2024every 48 months

Location

StateKentucky
CountyTrigg
Location_
CarriesUS 68/ky 80
CrossesElbow Bay
Coordinates36.79444, -87.99972

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length112.5 ft (34.3 m)
Max Span112.5 ft (34.3 m)
Deck Width59.1 ft (18 m)
Deck Area617.4 sq m
Main Spans1
Year Built2010

Traffic

Avg Daily Traffic4,908 (2023)
Truck Traffic20%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number111B00065N

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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