Structure 3017530005 · Benton County, TN

Nfa 1753 over Little Sulphur Creek

Carries Nfa 1753 over Little Sulphur Creek, 2.9 Mi W Of Humphreys Co.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT59 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 59 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.

Built20233 years old
Length58.7 ft17.9 m
Daily traffic81counted 2021
Last inspectedFebruary 2024every 24 months

Location

StateTennessee
CountyBenton
Location2.9 Mi W Of Humphreys Co
CarriesNfa 1753
CrossesLittle Sulphur Creek
Coordinates36.18700, -87.98508

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length58.7 ft (17.9 m)
Max Span18.7 ft (5.7 m)
Deck Width32.8 ft (10 m)
Deck Area179 sq m
Main Spans3
Year Built2023

Traffic

Avg Daily Traffic81 (2021)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number03017530005

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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