Structure 75I00240063 · Rutherford County, TN

I840 over I0024

Carries I840 over I0024, 3.4 Mi NW Jct I24 & SR 96.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT318 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

318 ft end to end, longest span 159 ft: about 4 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.

Built199531 years old
Length317.9 ft96.9 m
Daily traffic48,128counted 2021
Last inspectedJune 2024every 24 months

Location

StateTennessee
CountyRutherford
Location3.4 Mi NW Jct I24 & SR 96
CarriesI840
CrossesI0024
Coordinates35.88410, -86.47640

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length317.9 ft (96.9 m)
Max Span159.1 ft (48.5 m)
Deck Width51.8 ft (15.8 m)
Deck Area1531.0 sq m
Main Spans2
Year Built1995

Traffic

Avg Daily Traffic48,128 (2021)
Truck Traffic7%
Lanes On Bridge3
Lanes Under Bridge10

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number75I00240063

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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