Structure 19I00240085 · Davidson County, TN

Fau 4169 over I24

Carries Fau 4169 over I24, In Nashville.

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 FT239 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

239 ft end to end, longest span 134 ft: about 3 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.

Built1979rebuilt 2021
Length238.8 ft72.8 m
Daily traffic24,820counted 2021
Last inspectedOctober 2023every 24 months

Location

StateTennessee
CountyDavidson
LocationIn Nashville
CarriesFau 4169
CrossesI24
Coordinates36.03918, -86.64912

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length238.8 ft (72.8 m)
Max Span133.5 ft (40.7 m)
Deck Width115.5 ft (35.2 m)
Deck Area2562.6 sq m
Main Spans2
Year Built1979 (reconstructed 2021)

Traffic

Avg Daily Traffic24,820 (2021)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number19I00240085

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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