Structure 110005903815120 · Lauderdale County, MS

I 20/i 59 over Kcs Rr

Carries I 20/i 59 over Kcs Rr, 0.9 Mi E US 11.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure8/9 · Very Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT573 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 8/9Substructure 5/9 · sets the rating

573 ft end to end, longest span 88 ft: about 1.6 football fields. 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.

Built197353 years old
Length573.2 ft174.7 m
Daily traffic48,000counted 2023
Last inspectedMarch 2024every 24 months

Location

StateMississippi
CountyLauderdale
Location0.9 Mi E US 11
CarriesI 20/i 59
CrossesKcs Rr
Coordinates32.34901, -88.72029

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length573.2 ft (174.7 m)
Max Span87.9 ft (26.8 m)
Deck Width98.8 ft (30.1 m)
Deck Area5258.5 sq m
Main Spans9
Year Built1973

Traffic

Avg Daily Traffic48,000 (2023)
Truck Traffic30%
Lanes On Bridge5

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number110005903815120

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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