Structure 10039900001 · Carter County, TN

Nfa A253 over Buffalo Creek

Carries Nfa A253 over Buffalo Creek, .3mi SE Of Sr359.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT54 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

54 ft end to end. 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 deck arch.

Built1915rebuilt 1965
Length53.8 ft16.4 m
Daily traffic3,450counted 2020
Last inspectedJuly 2023every 24 months

Location

StateTennessee
CountyCarter
Location.3mi SE Of Sr359
CarriesNfa A253
CrossesBuffalo Creek
Coordinates36.30188, -82.29549

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length53.8 ft (16.4 m)
Max Span52.5 ft (16 m)
Deck Width41.3 ft (12.6 m)
Deck Area206.6 sq m
Main Spans1
Year Built1915 (reconstructed 1965)

Traffic

Avg Daily Traffic3,450 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number10039900001

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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