Structure SA0200000000131 · Alcorn County, MS

CR 400 over Browders Creek

Carries CR 400 over Browders Creek, Sec 21 T 3s R 8e B.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT123 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

123 ft end to end, longest span 31 ft. 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 channel-beam bridge.

Built199234 years old
Length123.4 ft37.6 m
Daily traffic700counted 2023
Last inspectedAugust 2023every 24 months

Location

StateMississippi
CountyAlcorn
LocationSec 21 T 3s R 8e B
CarriesCR 400
CrossesBrowders Creek
Coordinates34.81361, -88.46583

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length123.4 ft (37.6 m)
Max Span30.8 ft (9.4 m)
Deck Width31.2 ft (9.5 m)
Deck Area357.2 sq m
Main Spans4
Year Built1992

Traffic

Avg Daily Traffic700 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberSA0200000000131

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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