Structure 430A2510001 · Humphreys County, TN

Nfa A251 over Hurricane Creek

Carries Nfa A251 over Hurricane Creek, Leegen RD - Humphreys Co.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT121 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 121 ft across with 12 openings. 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, so those are drawn as typical for a culvert.

Built200026 years old
Length121.1 ft36.9 m
Daily traffic10counted 2020
Last inspectedOctober 2023every 24 months

Location

StateTennessee
CountyHumphreys
LocationLeegen RD - Humphreys Co
CarriesNfa A251
CrossesHurricane Creek
Coordinates36.01762, -87.70965

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length121.1 ft (36.9 m)
Max Span3.9 ft (1.2 m)
Deck Width20.0 ft (6.1 m)
Deck Area225.1 sq m
Main Spans12
Year Built2000

Traffic

Avg Daily Traffic10 (2020)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number430A2510001

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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