Structure 10C00044N · Boyd County, KY

Cr-1200 over Marsh Run

Carries Cr-1200 over Marsh Run, 17.5 S Jct Ky 3294.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure9/9 · Excellent
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 9/9

24 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built200323 years old
Length24.0 ft7.3 m
Daily traffic221counted 2023
Last inspectedJanuary 2023every 48 months

Location

StateKentucky
CountyBoyd
Location17.5 S Jct Ky 3294
CarriesCr-1200
CrossesMarsh Run
Coordinates38.39278, -82.69139

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length24.0 ft (7.3 m)
Max Span22.0 ft (6.7 m)
Deck Width24.0 ft (7.3 m)
Deck Area53.3 sq m
Main Spans1
Year Built2003

Traffic

Avg Daily Traffic221 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number010C00044N

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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