Structure 92008590015 · Weakley County, TN

Nfa 859 (sa 9211) over Overflow

Carries Nfa 859 (sa 9211) over Overflow, 2.6 Mi N W Of Gleson.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 25 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built20206 years old
Length24.9 ft7.6 m
Daily traffic396counted 2021
Last inspectedOctober 2024every 24 months

Location

StateTennessee
CountyWeakley
Location2.6 Mi N W Of Gleson
CarriesNfa 859 (sa 9211)
CrossesOverflow
Coordinates36.25411, -88.65706

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length24.9 ft (7.6 m)
Max Span9.8 ft (3 m)
Deck Width26.2 ft (8 m)
Deck Area60.8 sq m
Main Spans2
Year Built2020

Traffic

Avg Daily Traffic396 (2021)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number92008590015

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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