Structure 19I00400137 · Davidson County, TN

I40 over Stones River

Carries I40 over Stones River, In SE Nashville.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT562 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

562 ft end to end, longest span 155 ft: about 1.6 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.

Built1960rebuilt 1987
Length562.0 ft171.3 m
Daily traffic120,445counted 2021
Last inspectedJanuary 2024every 24 months

Location

StateTennessee
CountyDavidson
LocationIn SE Nashville
CarriesI40
CrossesStones River
Coordinates36.16039, -86.62147

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length562.0 ft (171.3 m)
Max Span154.9 ft (47.2 m)
Deck Width155.8 ft (47.5 m)
Deck Area8136.8 sq m
Main Spans4
Year Built1960 (reconstructed 1987)

Traffic

Avg Daily Traffic120,445 (2021)
Truck Traffic7%
Lanes On Bridge9

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number19I00400137

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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