Structure 60B00012N · Knott County, KY

Ky-7 over Rt. Fork Of Beaver Creek

Carries Ky-7 over Rt. Fork Of Beaver Creek, N @jct Ky 899-@floyd C.l..

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT161 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

161 ft end to end, longest span 50 ft: about 2 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.

Built193888 years old
Length161.1 ft49.1 m
Daily traffic1,140counted 2018
Last inspectedJune 2021every 48 months

Location

StateKentucky
CountyKnott
LocationN @jct Ky 899-@floyd C.l.
CarriesKy-7
CrossesRt. Fork Of Beaver Creek
Coordinates37.41750, -82.79556

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length161.1 ft (49.1 m)
Max Span49.9 ft (15.2 m)
Deck Width25.3 ft (7.7 m)
Deck Area378.1 sq m
Main Spans3
Year Built1938

Traffic

Avg Daily Traffic1,140 (2018)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number060B00012N

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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