Structure 67B00104N · Letcher County, KY

Ky-15 over N Fork Kentucky River

Carries Ky-15 over N Fork Kentucky River, .7 Mi NW Of Jct US 119.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT307 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

307 ft end to end, longest span 130 ft: about 4 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.

Built197947 years old
Length307.4 ft93.7 m
Daily traffic11,229counted 2020
Last inspectedMay 2021every 48 months

Location

StateKentucky
CountyLetcher
Location.7 Mi NW Of Jct US 119
CarriesKy-15
CrossesN Fork Kentucky River
Coordinates37.11194, -82.81083

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length307.4 ft (93.7 m)
Max Span129.9 ft (39.6 m)
Deck Width47.2 ft (14.4 m)
Deck Area1349.3 sq m
Main Spans3
Year Built1979

Traffic

Avg Daily Traffic11,229 (2020)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number067B00104N

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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