Structure 60C00054N · Knott County, KY

Sassafras Creek RD over Carrs Fork Spillway

Carries Sassafras Creek RD over Carrs Fork Spillway, 1 Mi. N Of Ky 15 @ Splway.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 39 ft across. Lengths and the car 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, so those are drawn as typical for a culvert.

Built198145 years old
Length39.0 ft11.9 m
Daily traffic304counted 2010
Last inspectedJune 2023every 48 months

Location

StateKentucky
CountyKnott
Location1 Mi. N Of Ky 15 @ Splway
CarriesSassafras Creek RD
CrossesCarrs Fork Spillway
Coordinates37.23306, -83.03361

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length39.0 ft (11.9 m)
Max Span30.8 ft (9.4 m)
Deck Area72.6 sq m
Main Spans1
Year Built1981

Traffic

Avg Daily Traffic304 (2010)
Lanes On Bridge1

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number060C00054N

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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