Structure 75B00022N · McLean County, KY

Ky-138 over Drainage Ditch

Carries Ky-138 over Drainage Ditch, 1.2 Mi W Of Jct Ky 2110.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT57 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

57 ft end to end. Lengths and the car 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 box-beam bridge.

Built196957 years old
Length57.1 ft17.4 m
Daily traffic623counted 2019
Last inspectedAugust 2022every 48 months

Location

StateKentucky
CountyMcLean
Location1.2 Mi W Of Jct Ky 2110
CarriesKy-138
CrossesDrainage Ditch
Coordinates37.48083, -87.16250

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length57.1 ft (17.4 m)
Max Span54.1 ft (16.5 m)
Deck Width23.6 ft (7.2 m)
Deck Area125.3 sq m
Main Spans1
Year Built1969

Traffic

Avg Daily Traffic623 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number075B00022N

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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