Structure 79I02690001 · Shelby County, TN

Sr385 over Sr385

Carries Sr385 over Sr385, Ramp D Over Sr385.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT595 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

595 ft end to end, longest span 194 ft: about 1.7 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.

Built201511 years old
Length595.1 ft181.4 m
Daily traffic18,545counted 2021
Last inspectedFebruary 2023every 24 months

Location

StateTennessee
CountyShelby
LocationRamp D Over Sr385
CarriesSr385
CrossesSr385
Coordinates35.02848, -89.64729

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length595.1 ft (181.4 m)
Max Span193.6 ft (59 m)
Deck Width43.3 ft (13.2 m)
Deck Area2394.5 sq m
Main Spans4
Year Built2015

Traffic

Avg Daily Traffic18,545 (2021)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number79I02690001

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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