Structure 19I00240124 · Davidson County, TN

Hermitage Ave. Ll over I-24

Carries Hermitage Ave. Ll over I-24, I24-i40 Interchange - C8.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT153 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

153 ft end to end, longest span 81 ft: about 2 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.

Built196066 years old
Length152.9 ft46.6 m
Daily traffic11,893counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateTennessee
CountyDavidson
LocationI24-i40 Interchange - C8
CarriesHermitage Ave. Ll
CrossesI-24
Coordinates36.15488, -86.76242

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length152.9 ft (46.6 m)
Max Span81.0 ft (24.7 m)
Deck Width42.7 ft (13 m)
Deck Area605.8 sq m
Main Spans3
Year Built1960

Traffic

Avg Daily Traffic11,893 (2021)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number19I00240124

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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