Structure SA7600000000161 · Washington County, MS

Marta Plantation over Canal 0930

Carries Marta Plantation over Canal 0930, Sec 20 T17n R 6w B.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT54 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

54 ft end to end. 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 bridge of this kind.

Built199828 years old
Length53.8 ft16.4 m
Daily traffic25counted 2008
Last inspectedDecember 2024every 24 months

Location

StateMississippi
CountyWashington
LocationSec 20 T17n R 6w B
CarriesMarta Plantation
CrossesCanal 0930
Coordinates33.29908, -90.84210

Physical Characteristics

MaterialSteel
DesignOther
Total Length53.8 ft (16.4 m)
Max Span53.8 ft (16.4 m)
Deck Width20.3 ft (6.2 m)
Deck Area101.7 sq m
Main Spans1
Year Built1998

Traffic

Avg Daily Traffic25 (2008)
Lanes On Bridge1

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberSA7600000000161

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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