Structure 71B00017N · Logan County, KY

Us-68x over Rjc Railroad

Carries Us-68x over Rjc Railroad, .2 Mi E Of Jct Ky 1039.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT247 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

247 ft end to end, longest span 100 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 tee-beam bridge.

Built196462 years old
Length247.4 ft75.4 m
Daily traffic2,086counted 2022
Last inspectedOctober 2023every 48 months

Location

StateKentucky
CountyLogan
Location.2 Mi E Of Jct Ky 1039
CarriesUs-68x
CrossesRjc Railroad
Coordinates36.86806, -86.69167

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length247.4 ft (75.4 m)
Max Span100.1 ft (30.5 m)
Deck Width36.1 ft (11 m)
Deck Area829.4 sq m
Main Spans3
Year Built1964

Traffic

Avg Daily Traffic2,086 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number071B00017N

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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