Structure 79I02400021 · Shelby County, TN

I240 Exit Rp over I240 Ex Rp / I240 Ent Rp

Carries I240 Exit Rp over I240 Ex Rp / I240 Ent Rp, 0.2 Mi. N Of Sr-4 Jct..

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT114 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

114 ft end to end. Lengths and the car 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.

Built196858 years old
Length113.5 ft34.6 m
Daily traffic—reported figure implausible
Last inspectedDecember 2024every 24 months

Location

StateTennessee
CountyShelby
Location0.2 Mi. N Of Sr-4 Jct.
CarriesI240 Exit Rp
CrossesI240 Ex Rp / I240 Ent Rp
Coordinates35.13572, -90.02467

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length113.5 ft (34.6 m)
Max Span113.5 ft (34.6 m)
Deck Width28.5 ft (8.7 m)
Deck Area301.0 sq m
Main Spans1
Year Built1968

Traffic

Avg Daily Traffic82,917 (2021)
That is about 82,917 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic8%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number79I02400021

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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