Structure 79I00550093 · Shelby County, TN

Wisconsin AVE over I-55

Carries Wisconsin AVE over I-55, Wisconsin AVE - Memphis.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT213 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

213 ft end to end, longest span 119 ft: about 3 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 multi-beam bridge.

Built20233 years old
Length212.9 ft64.9 m
Daily traffic460counted 2020
Last inspectedJanuary 2025every 24 months

Location

StateTennessee
CountyShelby
LocationWisconsin AVE - Memphis
CarriesWisconsin AVE
CrossesI-55
Coordinates35.12006, -90.06997

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length212.9 ft (64.9 m)
Max Span119.1 ft (36.3 m)
Deck Width44.0 ft (13.4 m)
Deck Area869.7 sq m
Main Spans2
Year Built2023

Traffic

Avg Daily Traffic460 (2020)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number79I00550093

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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