Structure 79I00400167 · Shelby County, TN

I0040 over Sr1 I40eb I240eb&ramps

Carries I0040 over Sr1 I40eb I240eb&ramps, I40 EB Ramp To I40 EB.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,322 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 8/9

2,322 ft end to end, longest span 204 ft: about 6.4 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
Length2321.9 ft707.7 m
Daily traffic96,170counted 2021
Last inspectedMarch 2023every 24 months

Location

StateTennessee
CountyShelby
LocationI40 EB Ramp To I40 EB
CarriesI0040
CrossesSr1 I40eb I240eb&ramps
Coordinates35.15367, -89.88830

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length2321.9 ft (707.7 m)
Max Span204.4 ft (62.3 m)
Deck Width44.0 ft (13.4 m)
Deck Area9483.2 sq m
Main Spans13
Year Built2016

Traffic

Avg Daily Traffic96,170 (2021)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge14

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number79I00400167

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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