Structure 103C00030N · Rowan County, KY

Bridge ST over Triplett Creek

Carries Bridge ST over Triplett Creek, .2 Mi S Of Jct US 60.

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 FT282 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

282 ft end to end, longest span 69 ft: about 4 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.

Built197650 years old
Length282.2 ft86 m
Daily traffic988counted 2006
Last inspectedApril 2024every 24 months

Location

StateKentucky
CountyRowan
Location.2 Mi S Of Jct US 60
CarriesBridge ST
CrossesTriplett Creek
Coordinates38.18361, -83.43000

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length282.2 ft (86 m)
Max Span68.9 ft (21 m)
Deck Width28.2 ft (8.6 m)
Deck Area739.6 sq m
Main Spans4
Year Built1976

Traffic

Avg Daily Traffic988 (2006)
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number103C00030N

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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