Structure 60B00070N · Knott County, KY

Ky-899 over RT Frk Beaver Creek

Carries Ky-899 over RT Frk Beaver Creek, @ Jct Ky 7.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT200 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

200 ft end to end, longest span 99 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.

Built198838 years old
Length200.1 ft61 m
Daily traffic493counted 2023
Last inspectedJune 2021every 48 months

Location

StateKentucky
CountyKnott
Location@ Jct Ky 7
CarriesKy-899
CrossesRT Frk Beaver Creek
Coordinates37.41722, -82.79639

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length200.1 ft (61 m)
Max Span99.1 ft (30.2 m)
Deck Width35.4 ft (10.8 m)
Deck Area658.8 sq m
Main Spans2
Year Built1988

Traffic

Avg Daily Traffic493 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number060B00070N

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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