Structure 310047106100110 · Rankin County, MS

SR 471 over Ms Llc Rr & Value Road

Carries SR 471 over Ms Llc Rr & Value Road, 0.5 Mi N I 20.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,493 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

1,493 ft end to end, longest span 180 ft: about 4.1 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.

Built201610 years old
Length1493.4 ft455.2 m
Daily traffic15,000counted 2023
Last inspectedAugust 2024every 24 months

Location

StateMississippi
CountyRankin
Location0.5 Mi N I 20
CarriesSR 471
CrossesMs Llc Rr & Value Road
Coordinates32.28664, -89.99229

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1493.4 ft (455.2 m)
Max Span180.1 ft (54.9 m)
Deck Width83.0 ft (25.3 m)
Deck Area11516.6 sq m
Main Spans2
Year Built2016

Traffic

Avg Daily Traffic15,000 (2023)
Truck Traffic8%
Lanes On Bridge5
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number310047106100110

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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