Structure 680A3870001 · Perry County, TN

Nfa A387 over Branch

Carries Nfa A387 over Branch, Lee Hinson Road.

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
CAR · 15 FT30 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 30 ft across with 2 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.

Built199531 years old
Length30.2 ft9.2 m
Daily traffic150counted 2020
Last inspectedApril 2023every 24 months

Location

StateTennessee
CountyPerry
LocationLee Hinson Road
CarriesNfa A387
CrossesBranch
Coordinates35.59957, -87.96595

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length30.2 ft (9.2 m)
Max Span10.2 ft (3.1 m)
Deck Width16.4 ft (5 m)
Deck Area46 sq m
Main Spans2
Year Built1995

Traffic

Avg Daily Traffic150 (2020)
Truck Traffic4%
Lanes On Bridge1

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number680A3870001

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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