Structure SA0800000000210 · Carroll County, MS

Co RD 21 over Unnamed Creek

Carries Co RD 21 over Unnamed Creek, Sec 27 T18n R 5e.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 4/9

28 ft end to end, longest span 12 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 multi-beam bridge.

Built199531 years old
Length27.6 ft8.4 m
Daily traffic20counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateMississippi
CountyCarroll
LocationSec 27 T18n R 5e
CarriesCo RD 21
CrossesUnnamed Creek
Coordinates33.38944, -89.74378

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length27.6 ft (8.4 m)
Max Span12.5 ft (3.8 m)
Deck Width24.0 ft (7.3 m)
Deck Area61.3 sq m
Main Spans2
Year Built1995

Traffic

Avg Daily Traffic20 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure NumberSA0800000000210

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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