Structure 47B00149R · Hardin County, KY

Ky-313 over I-65 @ 102.52

Carries Ky-313 over I-65 @ 102.52, Ky 313 NB Over I-65.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT335 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

335 ft end to end, longest span 116 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.

Built199531 years old
Length335.0 ft102.1 m
Daily traffic4,190counted 2022
Last inspectedNovember 2021every 48 months

Location

StateKentucky
CountyHardin
LocationKy 313 NB Over I-65
CarriesKy-313
CrossesI-65 @ 102.52
Coordinates37.80417, -85.74750

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length335.0 ft (102.1 m)
Max Span116.5 ft (35.5 m)
Deck Width34.8 ft (10.6 m)
Deck Area1082.3 sq m
Main Spans4
Year Built1995

Traffic

Avg Daily Traffic4,190 (2022)
Truck Traffic10%
Lanes On Bridge1
Lanes Under Bridge7

Inspection & Ownership

Last InspectionNovember 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number047B00149R

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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