Structure SA6700000000169 · Sunflower County, MS

North Bridwell R N over Natural Bayou

Carries North Bridwell R N over Natural Bayou, Sec 19 T24n R 4w.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT220 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

220 ft end to end, longest span 60 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 slab bridge.

Built200125 years old
Length219.8 ft67 m
Daily traffic30counted 2023
Last inspectedOctober 2023every 24 months

Location

StateMississippi
CountySunflower
LocationSec 19 T24n R 4w
CarriesNorth Bridwell R N
CrossesNatural Bayou
Coordinates33.93111, -90.64944

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length219.8 ft (67 m)
Max Span59.7 ft (18.2 m)
Deck Width30.8 ft (9.4 m)
Deck Area629.8 sq m
Main Spans5
Year Built2001

Traffic

Avg Daily Traffic30 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberSA6700000000169

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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