Structure 114B00055N · Warren County, KY

Us-231 over W.h. Natcher Parkway

Carries Us-231 over W.h. Natcher Parkway, I-165.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT285 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

285 ft end to end, longest span 86 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.

Built197254 years old
Length284.8 ft86.8 m
Daily traffic12,433counted 2021
Last inspectedAugust 2021every 48 months

Location

StateKentucky
CountyWarren
LocationI-165
CarriesUs-231
CrossesW.h. Natcher Parkway
Coordinates36.99222, -86.50417

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length284.8 ft (86.8 m)
Max Span86.0 ft (26.2 m)
Deck Width91.5 ft (27.9 m)
Deck Area2421.7 sq m
Main Spans4
Year Built1972

Traffic

Avg Daily Traffic12,433 (2021)
Truck Traffic12%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionAugust 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number114B00055N

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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