Structure 11000590381382B · Lauderdale County, MS

I 59 over Chunky River

Carries I 59 over Chunky River, 0.2 Mi N Clarke Cl.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT480 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 8/9

480 ft end to end, longest span 100 ft: about 7 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 box-beam bridge.

Built196561 years old
Length480.0 ft146.3 m
Daily traffic6,500counted 2023
Last inspectedMay 2023every 24 months

Location

StateMississippi
CountyLauderdale
Location0.2 Mi N Clarke Cl
CarriesI 59
CrossesChunky River
Coordinates32.22628, -88.83264

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Single/Spread
Total Length480.0 ft (146.3 m)
Max Span100.1 ft (30.5 m)
Deck Width32.8 ft (10 m)
Deck Area1,463 sq m
Main Spans3
Year Built1965

Traffic

Avg Daily Traffic6,500 (2023)
Truck Traffic35%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number11000590381382B

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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