Structure 70B00062L · Livingston County, KY

I-24-10 Nc over Ky 917

Carries I-24-10 Nc over Ky 917, 1 Mi W Of Cumbrlnd River.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT122 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

122 ft end to end, longest span 46 ft. 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.

Built197749 years old
Length121.7 ft37.1 m
Daily traffic16,469counted 2023
Last inspectedMay 2024every 24 months

Location

StateKentucky
CountyLivingston
Location1 Mi W Of Cumbrlnd River
CarriesI-24-10 Nc
CrossesKy 917
Coordinates37.05639, -88.23389

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length121.7 ft (37.1 m)
Max Span45.6 ft (13.9 m)
Deck Width43.0 ft (13.1 m)
Deck Area486.0 sq m
Main Spans3
Year Built1977

Traffic

Avg Daily Traffic16,469 (2023)
Truck Traffic32%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number070B00062L

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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