Structure 75SR8400067 · Rutherford County, TN

Fau 5739 over I840

Carries Fau 5739 over I840, 1.5 Mi E Jct. I24 & I840.

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 FT460 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

460 ft end to end, longest span 230 ft: about 6 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.

Built200818 years old
Length460.0 ft140.2 m
Daily traffic15,869counted 2021
Last inspectedOctober 2024every 24 months

Location

StateTennessee
CountyRutherford
Location1.5 Mi E Jct. I24 & I840
CarriesFau 5739
CrossesI840
Coordinates35.86736, -86.51124

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length460.0 ft (140.2 m)
Max Span230.0 ft (70.1 m)
Deck Width84.0 ft (25.6 m)
Deck Area3589.1 sq m
Main Spans2
Year Built2008

Traffic

Avg Daily Traffic15,869 (2021)
Truck Traffic7%
Lanes On Bridge5
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number75SR8400067

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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