Structure 100B00066N · Pulaski County, KY

Keno RD (ky-751) over Ns (cno&tp) System

Carries Keno RD (ky-751) over Ns (cno&tp) System, 3.5 Mi Sou. Of Jct US 27.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT212 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 6/9

212 ft end to end, longest span 85 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 rigid-frame bridge.

Built196363 years old
Length211.9 ft64.6 m
Daily traffic558counted 2021
Last inspectedJuly 2024every 12 months

Location

StateKentucky
CountyPulaski
Location3.5 Mi Sou. Of Jct US 27
CarriesKeno RD (ky-751)
CrossesNs (cno&tp) System
Coordinates36.91056, -84.55472

Physical Characteristics

MaterialSteel Continuous
DesignFrame
Total Length211.9 ft (64.6 m)
Max Span85.0 ft (25.9 m)
Deck Width25.9 ft (7.9 m)
Deck Area510.3 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic558 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number100B00066N

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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