Structure 240A1140001 · Fayette County, TN

Nfa A114 over Big Muddy Creek

Carries Nfa A114 over Big Muddy Creek, 3.3 Mi SW Jct Sr15&hardem.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure6/9 · Satisfactory
Substructure5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 6/9Substructure 5/9

31 ft end to end, longest span 17 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197056 years old
Length30.8 ft9.4 m
Daily traffic30counted 2020
Last inspectedAugust 2024every 24 months

Location

StateTennessee
CountyFayette
Location3.3 Mi SW Jct Sr15&hardem
CarriesNfa A114
CrossesBig Muddy Creek
Coordinates35.29867, -89.24489

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length30.8 ft (9.4 m)
Max Span17.1 ft (5.2 m)
Deck Width22.0 ft (6.7 m)
Deck Area63.0 sq m
Main Spans2
Year Built1970

Traffic

Avg Daily Traffic30 (2020)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number240A1140001

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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