Structure SA0200000000124 · Alcorn County, MS

CR 409 over Hinkle Creek

Carries CR 409 over Hinkle Creek, Sec 35 T 3s R 7e B.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT140 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

140 ft end to end, longest span 60 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 multi-beam bridge.

Built199630 years old
Length140.1 ft42.7 m
Daily traffic742counted 2023
Last inspectedAugust 2023every 24 months

Location

StateMississippi
CountyAlcorn
LocationSec 35 T 3s R 7e B
CarriesCR 409
CrossesHinkle Creek
Coordinates34.77889, -88.53944

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length140.1 ft (42.7 m)
Max Span60.0 ft (18.3 m)
Deck Width31.2 ft (9.5 m)
Deck Area405.6 sq m
Main Spans3
Year Built1996

Traffic

Avg Daily Traffic742 (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 NumberSA0200000000124

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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