Structure 190D5830001 · Davidson County, TN

Nfa D583 over Branch

Carries Nfa D583 over Branch, Dennis Drive.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT36 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 36 ft across with 3 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built196561 years old
Length36.4 ft11.1 m
Daily traffic3,340counted 2020
Last inspectedSeptember 2023every 24 months

Location

StateTennessee
CountyDavidson
LocationDennis Drive
CarriesNfa D583
CrossesBranch
Coordinates36.21210, -86.77861

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length36.4 ft (11.1 m)
Max Span12.1 ft (3.7 m)
Deck Width36.1 ft (11 m)
Deck Area122.1 sq m
Main Spans3
Year Built1965

Traffic

Avg Daily Traffic3,340 (2020)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number190D5830001

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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