Structure SA5200000000086 · Noxubee County, MS

Prairie Point RD over Plum Creek

Carries Prairie Point RD over Plum Creek, Sec 24 T15n R17e B.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT160 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

160 ft end to end, longest span 40 ft: about 2 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.

Built196660 years old
Length160.1 ft48.8 m
Daily traffic1,400counted 2021
Last inspectedNovember 2023every 24 months

Location

StateMississippi
CountyNoxubee
LocationSec 24 T15n R17e B
CarriesPrairie Point RD
CrossesPlum Creek
Coordinates33.13875, -88.50567

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length160.1 ft (48.8 m)
Max Span40.0 ft (12.2 m)
Deck Width29.2 ft (8.9 m)
Deck Area434.3 sq m
Main Spans4
Year Built1966

Traffic

Avg Daily Traffic1,400 (2021)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure NumberSA5200000000086

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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