Structure SA6300000000038 · Sharkey County, MS

Sunflower River RD over Jaynes Bayou

Carries Sunflower River RD over Jaynes Bayou, Sec 11 T13n R 6w B.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT191 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

191 ft end to end, longest span 40 ft: about 3 semi-trucks nose to tail. 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.

Built197254 years old
Length190.9 ft58.2 m
Daily traffic120counted 2021
Last inspectedMay 2023every 24 months

Location

StateMississippi
CountySharkey
LocationSec 11 T13n R 6w B
CarriesSunflower River RD
CrossesJaynes Bayou
Coordinates32.98369, -90.78199

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length190.9 ft (58.2 m)
Max Span40.0 ft (12.2 m)
Deck Width29.2 ft (8.9 m)
Deck Area518.0 sq m
Main Spans5
Year Built1972

Traffic

Avg Daily Traffic120 (2021)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberSA6300000000038

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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