Structure 37B00076N · Franklin County, KY

Ky 1659 over Rj Corman Railroad

Carries Ky 1659 over Rj Corman Railroad, 0.30 Mi N Of Ky 676.

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 FT243 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

243 ft end to end, longest span 89 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 multi-beam bridge.

Built197848 years old
Length242.8 ft74 m
Daily traffic11,338counted 2022
Last inspectedJuly 2022every 48 months

Location

StateKentucky
CountyFranklin
Location0.30 Mi N Of Ky 676
CarriesKy 1659
CrossesRj Corman Railroad
Coordinates38.19278, -84.85806

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length242.8 ft (74 m)
Max Span88.9 ft (27.1 m)
Deck Width91.2 ft (27.8 m)
Deck Area2057.2 sq m
Main Spans3
Year Built1978

Traffic

Avg Daily Traffic11,338 (2022)
Truck Traffic11%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJuly 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number037B00076N

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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