Structure 118B00092N · Whitley County, KY

Gordon Hill 312 over Laurel River

Carries Gordon Hill 312 over Laurel River, On Laurel - Whitley Cl.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT746 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

746 ft end to end, longest span 210 ft: about 2.1 football fields. 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.

Built197452 years old
Length746.1 ft227.4 m
Daily traffic4,469counted 2023
Last inspectedMarch 2021every 48 months

Location

StateKentucky
CountyWhitley
LocationOn Laurel - Whitley Cl
CarriesGordon Hill 312
CrossesLaurel River
Coordinates36.96889, -84.13000

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length746.1 ft (227.4 m)
Max Span210.0 ft (64 m)
Deck Width30.8 ft (9.4 m)
Deck Area2137.6 sq m
Main Spans4
Year Built1974

Traffic

Avg Daily Traffic4,469 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number118B00092N

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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