Structure SA2700000000025 · Humphreys County, MS

Kilby Brake Road over Drainage Ditch

Carries Kilby Brake Road over Drainage Ditch, Sec 28 T14n R 3w.

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT93 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

93 ft end to end, longest span 31 ft. 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 channel-beam bridge.

Built199630 years old
Length92.8 ft28.3 m
Daily traffic60counted 2018
Last inspectedOctober 2024every 24 months

Location

StateMississippi
CountyHumphreys
LocationSec 28 T14n R 3w
CarriesKilby Brake Road
CrossesDrainage Ditch
Coordinates33.03217, -90.51274

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length92.8 ft (28.3 m)
Max Span30.8 ft (9.4 m)
Deck Width31.2 ft (9.5 m)
Deck Area268.9 sq m
Main Spans3
Year Built1996

Traffic

Avg Daily Traffic60 (2018)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberSA2700000000025

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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