Structure 8B00095N · Boone County, KY

Ky-495 over 275

Carries Ky-495 over 275, .5 Mi N Of Jct Ky 20.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT223 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

223 ft end to end, longest span 116 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.

Built20206 years old
Length223.4 ft68.1 m
Daily traffic3,576counted 2023
Last inspectedJune 2021every 48 months

Location

StateKentucky
CountyBoone
Location.5 Mi N Of Jct Ky 20
CarriesKy-495
Crosses275
Coordinates39.08361, -84.73667

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length223.4 ft (68.1 m)
Max Span116.5 ft (35.5 m)
Deck Width84.3 ft (25.7 m)
Deck Area1750.2 sq m
Main Spans2
Year Built2020

Traffic

Avg Daily Traffic3,576 (2023)
Truck Traffic6%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJune 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number008B00095N

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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