Structure 19B00067N · Campbell County, KY

Ky-9 over Flagg Spring Creek

Carries Ky-9 over Flagg Spring Creek, 200 W Jct Ky 735.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT165 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

165 ft end to end, longest span 93 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 multi-beam bridge.

Built198937 years old
Length164.7 ft50.2 m
Daily traffic9,077counted 2022
Last inspectedAugust 2023every 24 months

Location

StateKentucky
CountyCampbell
Location200 W Jct Ky 735
CarriesKy-9
CrossesFlagg Spring Creek
Coordinates38.89278, -84.27250

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length164.7 ft (50.2 m)
Max Span92.8 ft (28.3 m)
Deck Width86.0 ft (26.2 m)
Deck Area1315.2 sq m
Main Spans2
Year Built1989

Traffic

Avg Daily Traffic9,077 (2022)
Truck Traffic15%
Lanes On Bridge4

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number019B00067N

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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